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• A Quick Guide to Experimental Design | 5 Steps & Examples

A Quick Guide to Experimental Design | 5 Steps & Examples

Published on 11 April 2022 by Rebecca Bevans . Revised on 5 December 2022.

Experiments are used to study causal relationships . You manipulate one or more independent variables and measure their effect on one or more dependent variables.

Experimental design means creating a set of procedures to systematically test a hypothesis . A good experimental design requires a strong understanding of the system you are studying. 

There are five key steps in designing an experiment:

• Consider your variables and how they are related
• Write a specific, testable hypothesis
• Design experimental treatments to manipulate your independent variable
• Assign subjects to groups, either between-subjects or within-subjects
• Plan how you will measure your dependent variable

For valid conclusions, you also need to select a representative sample and control any  extraneous variables that might influence your results. If if random assignment of participants to control and treatment groups is impossible, unethical, or highly difficult, consider an observational study instead.

Table of contents

Step 1: define your variables, step 2: write your hypothesis, step 3: design your experimental treatments, step 4: assign your subjects to treatment groups, step 5: measure your dependent variable, frequently asked questions about experimental design.

You should begin with a specific research question . We will work with two research question examples, one from health sciences and one from ecology:

To translate your research question into an experimental hypothesis, you need to define the main variables and make predictions about how they are related.

Start by simply listing the independent and dependent variables .

Then you need to think about possible extraneous and confounding variables and consider how you might control  them in your experiment.

Finally, you can put these variables together into a diagram. Use arrows to show the possible relationships between variables and include signs to show the expected direction of the relationships.

Here we predict that increasing temperature will increase soil respiration and decrease soil moisture, while decreasing soil moisture will lead to decreased soil respiration.

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Now that you have a strong conceptual understanding of the system you are studying, you should be able to write a specific, testable hypothesis that addresses your research question.

The next steps will describe how to design a controlled experiment . In a controlled experiment, you must be able to:

• Systematically and precisely manipulate the independent variable(s).
• Precisely measure the dependent variable(s).
• Control any potential confounding variables.

If your study system doesn’t match these criteria, there are other types of research you can use to answer your research question.

How you manipulate the independent variable can affect the experiment’s external validity – that is, the extent to which the results can be generalised and applied to the broader world.

First, you may need to decide how widely to vary your independent variable.

• just slightly above the natural range for your study region.
• over a wider range of temperatures to mimic future warming.
• over an extreme range that is beyond any possible natural variation.

Second, you may need to choose how finely to vary your independent variable. Sometimes this choice is made for you by your experimental system, but often you will need to decide, and this will affect how much you can infer from your results.

• a categorical variable : either as binary (yes/no) or as levels of a factor (no phone use, low phone use, high phone use).
• a continuous variable (minutes of phone use measured every night).

How you apply your experimental treatments to your test subjects is crucial for obtaining valid and reliable results.

First, you need to consider the study size : how many individuals will be included in the experiment? In general, the more subjects you include, the greater your experiment’s statistical power , which determines how much confidence you can have in your results.

Then you need to randomly assign your subjects to treatment groups . Each group receives a different level of the treatment (e.g. no phone use, low phone use, high phone use).

You should also include a control group , which receives no treatment. The control group tells us what would have happened to your test subjects without any experimental intervention.

When assigning your subjects to groups, there are two main choices you need to make:

• A completely randomised design vs a randomised block design .
• A between-subjects design vs a within-subjects design .

Randomisation

An experiment can be completely randomised or randomised within blocks (aka strata):

• In a completely randomised design , every subject is assigned to a treatment group at random.
• In a randomised block design (aka stratified random design), subjects are first grouped according to a characteristic they share, and then randomly assigned to treatments within those groups.

Sometimes randomisation isn’t practical or ethical , so researchers create partially-random or even non-random designs. An experimental design where treatments aren’t randomly assigned is called a quasi-experimental design .

Between-subjects vs within-subjects

In a between-subjects design (also known as an independent measures design or classic ANOVA design), individuals receive only one of the possible levels of an experimental treatment.

In medical or social research, you might also use matched pairs within your between-subjects design to make sure that each treatment group contains the same variety of test subjects in the same proportions.

In a within-subjects design (also known as a repeated measures design), every individual receives each of the experimental treatments consecutively, and their responses to each treatment are measured.

Within-subjects or repeated measures can also refer to an experimental design where an effect emerges over time, and individual responses are measured over time in order to measure this effect as it emerges.

Counterbalancing (randomising or reversing the order of treatments among subjects) is often used in within-subjects designs to ensure that the order of treatment application doesn’t influence the results of the experiment.

Finally, you need to decide how you’ll collect data on your dependent variable outcomes. You should aim for reliable and valid measurements that minimise bias or error.

Some variables, like temperature, can be objectively measured with scientific instruments. Others may need to be operationalised to turn them into measurable observations.

• Ask participants to record what time they go to sleep and get up each day.
• Ask participants to wear a sleep tracker.

How precisely you measure your dependent variable also affects the kinds of statistical analysis you can use on your data.

Experiments are always context-dependent, and a good experimental design will take into account all of the unique considerations of your study system to produce information that is both valid and relevant to your research question.

Experimental designs are a set of procedures that you plan in order to examine the relationship between variables that interest you.

To design a successful experiment, first identify:

• A testable hypothesis
• One or more independent variables that you will manipulate
• One or more dependent variables that you will measure

When designing the experiment, first decide:

• How your variable(s) will be manipulated
• How you will control for any potential confounding or lurking variables
• How many subjects you will include
• How you will assign treatments to your subjects

The key difference between observational studies and experiments is that, done correctly, an observational study will never influence the responses or behaviours of participants. Experimental designs will have a treatment condition applied to at least a portion of participants.

A confounding variable , also called a confounder or confounding factor, is a third variable in a study examining a potential cause-and-effect relationship.

A confounding variable is related to both the supposed cause and the supposed effect of the study. It can be difficult to separate the true effect of the independent variable from the effect of the confounding variable.

In your research design , it’s important to identify potential confounding variables and plan how you will reduce their impact.

In a between-subjects design , every participant experiences only one condition, and researchers assess group differences between participants in various conditions.

In a within-subjects design , each participant experiences all conditions, and researchers test the same participants repeatedly for differences between conditions.

The word ‘between’ means that you’re comparing different conditions between groups, while the word ‘within’ means you’re comparing different conditions within the same group.

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Bevans, R. (2022, December 05). A Quick Guide to Experimental Design | 5 Steps & Examples. Scribbr. Retrieved 11 June 2024, from https://www.scribbr.co.uk/research-methods/guide-to-experimental-design/

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Chapter 3 Research Design and Methodology

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Experimental Research Design — 6 mistakes you should never make!

Since school days’ students perform scientific experiments that provide results that define and prove the laws and theorems in science. These experiments are laid on a strong foundation of experimental research designs.

An experimental research design helps researchers execute their research objectives with more clarity and transparency.

In this article, we will not only discuss the key aspects of experimental research designs but also the issues to avoid and problems to resolve while designing your research study.

Table of Contents

What Is Experimental Research Design?

Experimental research design is a framework of protocols and procedures created to conduct experimental research with a scientific approach using two sets of variables. Herein, the first set of variables acts as a constant, used to measure the differences of the second set. The best example of experimental research methods is quantitative research .

Experimental research helps a researcher gather the necessary data for making better research decisions and determining the facts of a research study.

When Can a Researcher Conduct Experimental Research?

A researcher can conduct experimental research in the following situations —

• When time is an important factor in establishing a relationship between the cause and effect.
• When there is an invariable or never-changing behavior between the cause and effect.
• Finally, when the researcher wishes to understand the importance of the cause and effect.

Importance of Experimental Research Design

To publish significant results, choosing a quality research design forms the foundation to build the research study. Moreover, effective research design helps establish quality decision-making procedures, structures the research to lead to easier data analysis, and addresses the main research question. Therefore, it is essential to cater undivided attention and time to create an experimental research design before beginning the practical experiment.

By creating a research design, a researcher is also giving oneself time to organize the research, set up relevant boundaries for the study, and increase the reliability of the results. Through all these efforts, one could also avoid inconclusive results. If any part of the research design is flawed, it will reflect on the quality of the results derived.

Types of Experimental Research Designs

Based on the methods used to collect data in experimental studies, the experimental research designs are of three primary types:

1. Pre-experimental Research Design

A research study could conduct pre-experimental research design when a group or many groups are under observation after implementing factors of cause and effect of the research. The pre-experimental design will help researchers understand whether further investigation is necessary for the groups under observation.

Pre-experimental research is of three types —

• One-shot Case Study Research Design
• One-group Pretest-posttest Research Design
• Static-group Comparison

2. True Experimental Research Design

A true experimental research design relies on statistical analysis to prove or disprove a researcher’s hypothesis. It is one of the most accurate forms of research because it provides specific scientific evidence. Furthermore, out of all the types of experimental designs, only a true experimental design can establish a cause-effect relationship within a group. However, in a true experiment, a researcher must satisfy these three factors —

• There is a control group that is not subjected to changes and an experimental group that will experience the changed variables
• A variable that can be manipulated by the researcher
• Random distribution of the variables

This type of experimental research is commonly observed in the physical sciences.

3. Quasi-experimental Research Design

The word “Quasi” means similarity. A quasi-experimental design is similar to a true experimental design. However, the difference between the two is the assignment of the control group. In this research design, an independent variable is manipulated, but the participants of a group are not randomly assigned. This type of research design is used in field settings where random assignment is either irrelevant or not required.

The classification of the research subjects, conditions, or groups determines the type of research design to be used.

Advantages of Experimental Research

Experimental research allows you to test your idea in a controlled environment before taking the research to clinical trials. Moreover, it provides the best method to test your theory because of the following advantages:

• Researchers have firm control over variables to obtain results.
• The subject does not impact the effectiveness of experimental research. Anyone can implement it for research purposes.
• The results are specific.
• Post results analysis, research findings from the same dataset can be repurposed for similar research ideas.
• Researchers can identify the cause and effect of the hypothesis and further analyze this relationship to determine in-depth ideas.
• Experimental research makes an ideal starting point. The collected data could be used as a foundation to build new research ideas for further studies.

6 Mistakes to Avoid While Designing Your Research

There is no order to this list, and any one of these issues can seriously compromise the quality of your research. You could refer to the list as a checklist of what to avoid while designing your research.

1. Invalid Theoretical Framework

Usually, researchers miss out on checking if their hypothesis is logical to be tested. If your research design does not have basic assumptions or postulates, then it is fundamentally flawed and you need to rework on your research framework.

2. Inadequate Literature Study

Without a comprehensive research literature review , it is difficult to identify and fill the knowledge and information gaps. Furthermore, you need to clearly state how your research will contribute to the research field, either by adding value to the pertinent literature or challenging previous findings and assumptions.

3. Insufficient or Incorrect Statistical Analysis

Statistical results are one of the most trusted scientific evidence. The ultimate goal of a research experiment is to gain valid and sustainable evidence. Therefore, incorrect statistical analysis could affect the quality of any quantitative research.

4. Undefined Research Problem

This is one of the most basic aspects of research design. The research problem statement must be clear and to do that, you must set the framework for the development of research questions that address the core problems.

5. Research Limitations

Every study has some type of limitations . You should anticipate and incorporate those limitations into your conclusion, as well as the basic research design. Include a statement in your manuscript about any perceived limitations, and how you considered them while designing your experiment and drawing the conclusion.

6. Ethical Implications

The most important yet less talked about topic is the ethical issue. Your research design must include ways to minimize any risk for your participants and also address the research problem or question at hand. If you cannot manage the ethical norms along with your research study, your research objectives and validity could be questioned.

Experimental Research Design Example

In an experimental design, a researcher gathers plant samples and then randomly assigns half the samples to photosynthesize in sunlight and the other half to be kept in a dark box without sunlight, while controlling all the other variables (nutrients, water, soil, etc.)

By comparing their outcomes in biochemical tests, the researcher can confirm that the changes in the plants were due to the sunlight and not the other variables.

Experimental research is often the final form of a study conducted in the research process which is considered to provide conclusive and specific results. But it is not meant for every research. It involves a lot of resources, time, and money and is not easy to conduct, unless a foundation of research is built. Yet it is widely used in research institutes and commercial industries, for its most conclusive results in the scientific approach.

Have you worked on research designs? How was your experience creating an experimental design? What difficulties did you face? Do write to us or comment below and share your insights on experimental research designs!

Frequently Asked Questions

Randomization is important in an experimental research because it ensures unbiased results of the experiment. It also measures the cause-effect relationship on a particular group of interest.

Experimental research design lay the foundation of a research and structures the research to establish quality decision making process.

There are 3 types of experimental research designs. These are pre-experimental research design, true experimental research design, and quasi experimental research design.

The difference between an experimental and a quasi-experimental design are: 1. The assignment of the control group in quasi experimental research is non-random, unlike true experimental design, which is randomly assigned. 2. Experimental research group always has a control group; on the other hand, it may not be always present in quasi experimental research.

Experimental research establishes a cause-effect relationship by testing a theory or hypothesis using experimental groups or control variables. In contrast, descriptive research describes a study or a topic by defining the variables under it and answering the questions related to the same.

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FAQs About Experimental Research Papers (APA)

What is a research paper? 

A researcher uses a research paper to explain how they conducted a research study to answer a question or test a hypothesis. They explain why they conducted the study, the research question or hypothesis they tested, how they conducted the study, the results of their study, and the implications of these results. 

What is the purpose of an experimental research paper? 

A research paper is intended to inform others about advancement in a particular field of study. The researcher who wrote the paper identified a gap in the research in a field of study and used their research to help fill this gap. The researcher uses their paper to inform others about the knowledge that the results of their study contribute. 

What sections are included in an experimental research paper?

A typical research paper contains a Title Page, Abstract, Introduction, Methods, Results, Discussion, and References section. Some also contain a Table and Figures section and Appendix section. 

What citation style is used for experimental research papers? 

APA (American Psychological Association) style is most commonly used for research papers. 

Structure Of Experimental Research Papers (APA)

• Answers the question of “What is this paper about and who wrote it?”
• Located on the first page of the paper 
• The author’s note acknowledges any support that the authors received from others
• A student paper also includes the course number and name, instructor’s name, and assignment due date
• Contains a title that summarizes the purpose and content of the research study and engages the audience 
• No longer than 250 words
• Summarizes important background information, the research questions and/or hypothesis, methods, key findings, and implications of the findings
• Explains what the topic of the research is and why the topic is worth studying
• Summarizes and discusses prior research conducted on the topic 
• Identifies unresolved issues and gaps in past research that the current research will address
• Ends with an overview of the current research study, including how the independent and dependent variables, the research questions or hypotheses, and the objective of the research 
• Explains how the research study was conducted 
• Typically includes 3 sections: Participants, Materials, and Procedure
• Includes characteristics of the subjects, how the subjects were selected and recruited, how their anonymity was protected, and what feedback was provided to the participants
• Describes any equipment, surveys, tests, questionnaires, informed consent forms, and observational techniques 
• Describes the independent and dependent variables, the type of research design, and how the data was collected
• Explains what results were found in the research study 
• Describes the data that was collected and the results of statistical tests 
• Explains the significance of the results 
• Accepts or denies the hypotheses 
• Details the implications of these findings 
• Addresses the limitations of the study and areas for future research 
• Includes all sources that were mentioned in the research study 
• Adheres to APA citation styles
• Includes all tables and/or figures that were used in the research study 
• Each table and figure is placed on a separate page 
• Tables are included before figures
• Begins with a bolded, centered header such as “ Table 1 ”
• Appends all forms, surveys, tests, etc. that were used in the study 
• Only includes documents that were referenced in the Methods section 
• Each entry is placed on a separate page 
• Begins with a bolded, centered header such as “ Appendix A ”

Tips For Experimental Research Papers (APA)

• Initial interest will motivate you to complete your study 
• Your entire study will be centered around this question or statement 
• Use only verifiable sources that provide accurate information about your topic 
• You need to thoroughly understand the field of study your topic is on to help you recognize the gap your research will fill and the significance of your results
• This will help you identify what you should study and what the significance of your study will be 
• Create an outline before you begin writing to help organize your thoughts and direct you in your writing 
• This will prevent you from losing the source or forgetting to cite the source 
• Work on one section at a time, rather than trying to complete multiple sections at once
• This information can be easily referred to as your write your various sections 
• When conducting your research, working general to specific will help you narrow your topic and fully understand the field your topic is in 
• When writing your literature review, writing from general to specific will help the audience understand your overall topic and the narrow focus of your research 
• This will prevent you from losing sources you may need later 
• Incorporate correct APA formatting as you write, rather than changing the formatting at the end of the writing process 

Checklist For Experimental Research Papers (APA)

• If the paper is a student paper, it contains the title of the project, the author’s name(s), the instructor's name, course number and name, and assignment due date
• If the paper is a professional paper, it includes the title of the paper, the author’s name(s), the institutional affiliation, and the author note
• Begins on the first page of the paper
• The title is typed in upper and lowercase letters, four spaces below the top of the paper, and written in boldface 
• Other information is separated by a space from the title

Title (found on title page)

• Informs the audience about the purpose of the paper 
• Captures the attention of the audience 
• Accurately reflects the purpose and content of the research paper 

Abstract 

• Labeled as “ Abstract ”
• Begins on the second page 
• Provides a short, concise summary of the content of the research paper 
• Includes background information necessary to understand the topic 
• Background information demonstrates the purpose of the paper
• Contains the hypothesis and/or research questions addressed in the paper
• Has a brief description of the methods used 
• Details the key findings and significance of the results
• Illustrates the implications of the research study 
• Contains less than 250 words

Introduction 

• Starts on the third page 
• Includes the title of the paper in bold at the top of the page
• Contains a clear statement of the problem that the paper sets out to address 
• Places the research paper within the context of previous research on the topic 
• Explains the purpose of the research study and what you hope to find
• Describes the significance of the study 
• Details what new insights the research will contribute
• Concludes with a brief description of what information will be mentioned in the literature review

Literature Review

• Labeled as “ Literature Review”
• Presents a general description of the problem area 
• Defines any necessary terms 
• Discusses and summarizes prior research on the selected topic 
• Identifies any unresolved issues or gaps in research that the current research plans to address
• Concludes with a summary of the current research study, including the independent and dependent variables, the research questions or hypotheses, and the objective of the research  
• Labeled as “ Methods ”
• Efficiently explains how the research study was conducted 
• Appropriately divided into sections
• Describes the characteristics of the participants 
• Explains how the participants were selected 
• Details how the anonymity of the participants was protected 
• Notes what feedback the participants will be provided 
• Describes all materials and instruments that were used 
• Mentions how the procedure was conducted and data collected
• Notes the independent and dependent variables 
• Includes enough information that another researcher could duplicate the research 

Results 

• Labeled as “ Results ”
• Describes the data was collected
• Explains the results of statistical tests that were performed
• Omits any analysis or discussion of the implications of the study 

Discussion 

• Labeled as “ Discussion ”
• Describes the significance of the results 
• Relates the results to the research questions and/or hypotheses
• States whether the hypotheses should be rejected or accepted 
• Addresses limitations of the study, including potential bias, confounds, imprecision of measures, and limits to generalizability
• Explains how the study adds to the knowledge base and expands upon past research
• Labeled as “ References ”
• Correctly cites sources according to APA formatting 
• Orders sources alphabetically
• All sources included in the study are cited in the reference section 

Table and Figures (optional)

•  Each table and each figure is placed on a separate page 
• Tables and figures are included after the reference page
• Tables and figures are correctly labeled
• Each table and figure begins with a bolded, centered header such as “ Table 1 ,” “ Table 2 ,”

Appendix (optional) 

• Any forms, surveys, tests, etc. are placed in the Appendix
• All appendix entries are mentioned in the Methods section 
• Each appendix begins on a new page
• Each appendix begins with a bolded, centered header such as “ Appendix A, ” “ Appendix B ”

Additional Resources For Experimental Research Papers (APA)

• https://www.mcwritingcenterblog.org/single-post/how-to-conduct-research-using-the-library-s-resources
• https://www.mcwritingcenterblog.org/single-post/how-to-read-academic-articles
• https://researchguides.ben.edu/source-evaluation   
• https://researchguides.library.brocku.ca/external-analysis/evaluating-sources
• https://writing.wisc.edu/handbook/assignments/planresearchpaper/
• https://nmu.edu/writingcenter/tips-writing-research-paper
• https://writingcenter.gmu.edu/guides/how-to-write-a-research-question
• https://www.unr.edu/writing-speaking-center/student-resources/writing-speaking-resources/guide-to-writing-research-papers
• https://drive.google.com/drive/folders/1F4DFWf85zEH4aZvm10i8Ahm_3xnAekal?usp=sharing
• https://owl.purdue.edu/owl/research_and_citation/apa_style/apa_formatting_and_style_guide/general_format.html
• https://libguides.elmira.edu/research
• https://www.nhcc.edu/academics/library/doing-library-research/basic-steps-research-process
• https://libguides.wustl.edu/research
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• Experimental Research Designs: Types, Examples & Methods

Experimental research is the most familiar type of research design for individuals in the physical sciences and a host of other fields. This is mainly because experimental research is a classical scientific experiment, similar to those performed in high school science classes.

Imagine taking 2 samples of the same plant and exposing one of them to sunlight, while the other is kept away from sunlight. Let the plant exposed to sunlight be called sample A, while the latter is called sample B.

If after the duration of the research, we find out that sample A grows and sample B dies, even though they are both regularly wetted and given the same treatment. Therefore, we can conclude that sunlight will aid growth in all similar plants.

What is Experimental Research?

Experimental research is a scientific approach to research, where one or more independent variables are manipulated and applied to one or more dependent variables to measure their effect on the latter. The effect of the independent variables on the dependent variables is usually observed and recorded over some time, to aid researchers in drawing a reasonable conclusion regarding the relationship between these 2 variable types.

The experimental research method is widely used in physical and social sciences, psychology, and education. It is based on the comparison between two or more groups with a straightforward logic, which may, however, be difficult to execute.

Mostly related to a laboratory test procedure, experimental research designs involve collecting quantitative data and performing statistical analysis on them during research. Therefore, making it an example of quantitative research method .

What are The Types of Experimental Research Design?

The types of experimental research design are determined by the way the researcher assigns subjects to different conditions and groups. They are of 3 types, namely; pre-experimental, quasi-experimental, and true experimental research.

Pre-experimental Research Design

In pre-experimental research design, either a group or various dependent groups are observed for the effect of the application of an independent variable which is presumed to cause change. It is the simplest form of experimental research design and is treated with no control group.

Although very practical, experimental research is lacking in several areas of the true-experimental criteria. The pre-experimental research design is further divided into three types

• One-shot Case Study Research Design

In this type of experimental study, only one dependent group or variable is considered. The study is carried out after some treatment which was presumed to cause change, making it a posttest study.

• One-group Pretest-posttest Research Design: 

This research design combines both posttest and pretest study by carrying out a test on a single group before the treatment is administered and after the treatment is administered. With the former being administered at the beginning of treatment and later at the end.

• Static-group Comparison: 

In a static-group comparison study, 2 or more groups are placed under observation, where only one of the groups is subjected to some treatment while the other groups are held static. All the groups are post-tested, and the observed differences between the groups are assumed to be a result of the treatment.

Quasi-experimental Research Design

  The word “quasi” means partial, half, or pseudo. Therefore, the quasi-experimental research bearing a resemblance to the true experimental research, but not the same.  In quasi-experiments, the participants are not randomly assigned, and as such, they are used in settings where randomization is difficult or impossible.

 This is very common in educational research, where administrators are unwilling to allow the random selection of students for experimental samples.

Some examples of quasi-experimental research design include; the time series, no equivalent control group design, and the counterbalanced design.

True Experimental Research Design

The true experimental research design relies on statistical analysis to approve or disprove a hypothesis. It is the most accurate type of experimental design and may be carried out with or without a pretest on at least 2 randomly assigned dependent subjects.

The true experimental research design must contain a control group, a variable that can be manipulated by the researcher, and the distribution must be random. The classification of true experimental design include:

• The posttest-only Control Group Design: In this design, subjects are randomly selected and assigned to the 2 groups (control and experimental), and only the experimental group is treated. After close observation, both groups are post-tested, and a conclusion is drawn from the difference between these groups.
• The pretest-posttest Control Group Design: For this control group design, subjects are randomly assigned to the 2 groups, both are presented, but only the experimental group is treated. After close observation, both groups are post-tested to measure the degree of change in each group.
• Solomon four-group Design: This is the combination of the pretest-only and the pretest-posttest control groups. In this case, the randomly selected subjects are placed into 4 groups.

The first two of these groups are tested using the posttest-only method, while the other two are tested using the pretest-posttest method.

Examples of Experimental Research

Experimental research examples are different, depending on the type of experimental research design that is being considered. The most basic example of experimental research is laboratory experiments, which may differ in nature depending on the subject of research.

Administering Exams After The End of Semester

During the semester, students in a class are lectured on particular courses and an exam is administered at the end of the semester. In this case, the students are the subjects or dependent variables while the lectures are the independent variables treated on the subjects.

Only one group of carefully selected subjects are considered in this research, making it a pre-experimental research design example. We will also notice that tests are only carried out at the end of the semester, and not at the beginning.

Further making it easy for us to conclude that it is a one-shot case study research. 

Employee Skill Evaluation

Before employing a job seeker, organizations conduct tests that are used to screen out less qualified candidates from the pool of qualified applicants. This way, organizations can determine an employee’s skill set at the point of employment.

In the course of employment, organizations also carry out employee training to improve employee productivity and generally grow the organization. Further evaluation is carried out at the end of each training to test the impact of the training on employee skills, and test for improvement.

Here, the subject is the employee, while the treatment is the training conducted. This is a pretest-posttest control group experimental research example.

Evaluation of Teaching Method

Let us consider an academic institution that wants to evaluate the teaching method of 2 teachers to determine which is best. Imagine a case whereby the students assigned to each teacher is carefully selected probably due to personal request by parents or due to stubbornness and smartness.

This is a no equivalent group design example because the samples are not equal. By evaluating the effectiveness of each teacher’s teaching method this way, we may conclude after a post-test has been carried out.

However, this may be influenced by factors like the natural sweetness of a student. For example, a very smart student will grab more easily than his or her peers irrespective of the method of teaching.

What are the Characteristics of Experimental Research?  

Experimental research contains dependent, independent and extraneous variables. The dependent variables are the variables being treated or manipulated and are sometimes called the subject of the research.

The independent variables are the experimental treatment being exerted on the dependent variables. Extraneous variables, on the other hand, are other factors affecting the experiment that may also contribute to the change.

The setting is where the experiment is carried out. Many experiments are carried out in the laboratory, where control can be exerted on the extraneous variables, thereby eliminating them. 

Other experiments are carried out in a less controllable setting. The choice of setting used in research depends on the nature of the experiment being carried out.

• Multivariable

Experimental research may include multiple independent variables, e.g. time, skills, test scores, etc.

Why Use Experimental Research Design?  

Experimental research design can be majorly used in physical sciences, social sciences, education, and psychology. It is used to make predictions and draw conclusions on a subject matter. 

Some uses of experimental research design are highlighted below.

• Medicine: Experimental research is used to provide the proper treatment for diseases. In most cases, rather than directly using patients as the research subject, researchers take a sample of the bacteria from the patient’s body and are treated with the developed antibacterial

The changes observed during this period are recorded and evaluated to determine its effectiveness. This process can be carried out using different experimental research methods.

• Education: Asides from science subjects like Chemistry and Physics which involves teaching students how to perform experimental research, it can also be used in improving the standard of an academic institution. This includes testing students’ knowledge on different topics, coming up with better teaching methods, and the implementation of other programs that will aid student learning.
• Human Behavior: Social scientists are the ones who mostly use experimental research to test human behaviour. For example, consider 2 people randomly chosen to be the subject of the social interaction research where one person is placed in a room without human interaction for 1 year.

The other person is placed in a room with a few other people, enjoying human interaction. There will be a difference in their behaviour at the end of the experiment.

• UI/UX: During the product development phase, one of the major aims of the product team is to create a great user experience with the product. Therefore, before launching the final product design, potential are brought in to interact with the product.

For example, when finding it difficult to choose how to position a button or feature on the app interface, a random sample of product testers are allowed to test the 2 samples and how the button positioning influences the user interaction is recorded.

What are the Disadvantages of Experimental Research?  

• It is highly prone to human error due to its dependency on variable control which may not be properly implemented. These errors could eliminate the validity of the experiment and the research being conducted.
• Exerting control of extraneous variables may create unrealistic situations. Eliminating real-life variables will result in inaccurate conclusions. This may also result in researchers controlling the variables to suit his or her personal preferences.
• It is a time-consuming process. So much time is spent on testing dependent variables and waiting for the effect of the manipulation of dependent variables to manifest.
• It is expensive. 
• It is very risky and may have ethical complications that cannot be ignored. This is common in medical research, where failed trials may lead to a patient’s death or a deteriorating health condition.
• Experimental research results are not descriptive.
• Response bias can also be supplied by the subject of the conversation.
• Human responses in experimental research can be difficult to measure. 

What are the Data Collection Methods in Experimental Research?  

Data collection methods in experimental research are the different ways in which data can be collected for experimental research. They are used in different cases, depending on the type of research being carried out.

1. Observational Study

This type of study is carried out over a long period. It measures and observes the variables of interest without changing existing conditions.

When researching the effect of social interaction on human behavior, the subjects who are placed in 2 different environments are observed throughout the research. No matter the kind of absurd behavior that is exhibited by the subject during this period, its condition will not be changed.

This may be a very risky thing to do in medical cases because it may lead to death or worse medical conditions.

2. Simulations

This procedure uses mathematical, physical, or computer models to replicate a real-life process or situation. It is frequently used when the actual situation is too expensive, dangerous, or impractical to replicate in real life.

This method is commonly used in engineering and operational research for learning purposes and sometimes as a tool to estimate possible outcomes of real research. Some common situation software are Simulink, MATLAB, and Simul8.

Not all kinds of experimental research can be carried out using simulation as a data collection tool . It is very impractical for a lot of laboratory-based research that involves chemical processes.

A survey is a tool used to gather relevant data about the characteristics of a population and is one of the most common data collection tools. A survey consists of a group of questions prepared by the researcher, to be answered by the research subject.

Surveys can be shared with the respondents both physically and electronically. When collecting data through surveys, the kind of data collected depends on the respondent, and researchers have limited control over it.

Formplus is the best tool for collecting experimental data using survey s. It has relevant features that will aid the data collection process and can also be used in other aspects of experimental research.

Differences between Experimental and Non-Experimental Research 

1. In experimental research, the researcher can control and manipulate the environment of the research, including the predictor variable which can be changed. On the other hand, non-experimental research cannot be controlled or manipulated by the researcher at will.

This is because it takes place in a real-life setting, where extraneous variables cannot be eliminated. Therefore, it is more difficult to conclude non-experimental studies, even though they are much more flexible and allow for a greater range of study fields.

2. The relationship between cause and effect cannot be established in non-experimental research, while it can be established in experimental research. This may be because many extraneous variables also influence the changes in the research subject, making it difficult to point at a particular variable as the cause of a particular change

3. Independent variables are not introduced, withdrawn, or manipulated in non-experimental designs, but the same may not be said about experimental research.

Conclusion  

Experimental research designs are often considered to be the standard in research designs. This is partly due to the common misconception that research is equivalent to scientific experiments—a component of experimental research design.

In this research design, one or more subjects or dependent variables are randomly assigned to different treatments (i.e. independent variables manipulated by the researcher) and the results are observed to conclude. One of the uniqueness of experimental research is in its ability to control the effect of extraneous variables.

Experimental research is suitable for research whose goal is to examine cause-effect relationships, e.g. explanatory research. It can be conducted in the laboratory or field settings, depending on the aim of the research that is being carried out. 

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Home > Chemistry > Dissertations, Theses, and Student Research

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Department of chemistry: dissertations, theses, and student research.

Halide Exchange and Transport in Halide Perovskite Lattices , Temban Acha Billy

Synthesis and Study of High-Spin Stable Organic Radicals for Electrical Conductors and Mannosamine Nitroxide for MRI Contrast Agents , Shuyang Zhang

Designing Experiments: The Impact of Peer Review Structure on Organic Chemistry Students' Experimental Designs , Katie Patterson

Study of halide gradient formation via solution-solid halide exchange in crystalline CH 3 NH 3 PbBr 3 thin films , Behnaz Akbari

Oxygen Binding Thermodynamics of Human Hemoglobin in the Red Blood Cell , Kyle K. Hill

Developing Techniques for the Identification of Non-Canonical RNA Pairing and Analysis of LC-MS Datasets , Christopher Jurich

Surface Functionalization of Elastomers for Tunable Crystal Growth and Smart Adhesives , John Kapitan

Issue of False Amphetamine Field Test Positives Caused By Sugar. Use of Baeyer Test as a Secondary Test Solution. , Reed A. Knutson, Jennah Duncan, Kara Peightal, and Samuel Thomas

Harnessing Surface Chemistry and Instabilities in Silicone Elastomers to Synthesize Adaptive Systems with Mechanically Tunable Surface Properties and Functionality , Ali Jamal Mazaltarim

How Oxygen-Binding Affects Structural Evolution of Even-Sized Gold Anion Clusters. (Size Range 20 to 34) , David Brunken-Deibert

Analysis of Hydroxychloroquine Interaction with Serum Proteins by High Performance Affinity Chromatography , Kyungah Suh, Sadia Sharmeen, and David S. Hage

The Application and Development of Metabolomics Methodologies for the Profiling of Food and Cellular Toxicity , Jade Woods

Evaluation of the Overall Binding of Acetohexamide and Tolbutamide with Methyl Glyoxal-Modified HSA by High-Performance Affinity Chromatography , Ashley G. Woolfork and David S. Hage

C(sp2)-C(sp3) Cross-Coupling of Aryl Halides and Active C(sp3)-H Bonds via Dual Catalysis: Organic Photocatalysis/Nickel Redox Catalysis , Nicholas Armada

Phosphonate-Directed Catalytic Asymmetric Hydroboration: Synthesis of Functionalized Chiral Secondary and Tertiary Boronic Esters and Mechanistic Insights , Suman Chakrabarty

COMPUTATIONAL STUDIES OF THERMAL PROPERTIES AND DESALINATION PERFORMANCE OF LOW-DIMENSIONAL MATERIALS , Yang Hong

QUANTUM CHEMICAL CALCULATIONS APPLIED TO SOMO-HOMO CONVERSION AND VIBRATIONALLY AVERAGED NMR SHIELDING PARAMETERS , Erik Johnson

Design and Synthesis of Stable Aminyl and Nitroxide Radical Precursors , Joshua Bryan Lovell

Development of Nanomaterial Supports for the Study of Affinity-Based Analytes Using Ultra-Thin Layer Chromatography , Allegra Pekarek

ANALYSIS OF DRUG-PROTEIN INTERACTIONS DURING DIABETES BY HIGH-PERFORMANCE AFFINITY CHROMATOGRAPHY , Pingyang Tao

Electropolymerization and Characterization of Thin Film Dielectrics , Christopher White II

Synthesis, Characterization, and Catalytic Activity of Copper Palladium Oxide Solid Solutions. , Gregory L. Christensen

GLOBAL MINIMUM SEARCH AND CARBON MONOXIDE BINDING STUDIES OF NOVEL GOLD NANOCLUSTERS , Navneet S. Khetrapal

Mass Spectrometry and Nuclear Magnetic Resonance in the Chemometric Analysis of Cellular Metabolism , Eli Riekeberg

Ultrafast Affinity Extraction and High-Performance Affinity Chromatography Applications for Measuring Free Drug Fractions: Interactions of Sulfonylurea Drugs with Normal and Glycated Human Serum Albumin , Bao Yang

DEVELOPMENT OF ENTRAPMENT COLUMNS FOR THE STUDY OF AFFINITY BASED ANALYSIS OF DRUG-PROTEIN INTERACTIONS , Shiden T. Azaria

Chemical Vapor Deposition of Two-Dimensional Materials and Heterostructures , Alex J. Boson

Bioinformatic and Biophysical Analyses of Proteins , Jonathan Catazaro

Developing Functionalized Peroxide Precursors for the Synthesis of Cyclic and Spirocyclic Ethers , Anna J. Diepenbrock

Decarboxylative Elimination for the Systhesis of Olefins Via Photoredox/Cobalt Dual Catalysis , Renjie Gui

Enantioselective γ- and δ -Borylation of Unsaturated Carbonyl Derivatives: Synthesis, Mechanistic Insights, and Applications. , Gia L. Hoang

Entrapment of proteins in high-performance affinity columns for chromatographic studies of drug-protein interactions , Saumen Poddar, Elliott Rodriguez, Shiden Azaria, and David S. Hage

Genetic Code Expansion in Biochemical Investigations and Biomedical Applications , Nanxi Wang

Applying the Diffusion of Innovation Theory to Characterize STEM Faculty Attending Professional Development Programs , Dihua Xue

Who is attending pedagogical workshops? Applying the Innovation Diffusion to Characterize Faculty Attendees , Victoria Dihua Xue, Trisha Vickrey, and Marilyne Stains

Genetically Encoded Fluorescent Protein Biosensor for Nitric Oxide , Wenjia Zhai

STUDIES IN DIRECTED CATALYTIC ASYMMETRIC HYDROBORATION OF 1,2-DISUBSTITUTED UNSATURATED AMIDE , Shuyang Zhang

Synthesis and Applications of Cyclobutenes , Benjamin Enns

Binding of Oxygen to Human Hemoglobin Within the Erythrocyte Using ICAM Spectrophotometry , Kyle K. Hill

Design and Synthesis of Novel Octacarboxy Porphyrinic Metal-Organic Frameworks , Jacob A. Johnson

Development of a Direct Activity Probe for Rho-Associated Protein Kinase , Maia Kelly

Thermolysis of Hypervalent Iodine Complexes: Synthesis of Fluorinated Radiotracers for Positron Emission Tomography and Synthesis of Quaternary α-Alkyl α-Aryl Amino Acids , Jayson J. Kempinger

Synthesis and Applications of Lanthanide Sulfides and Oxides , Christopher Marin

SELECTIVE IODINATION USING DIARYLIODONIUM SALTS , William H. Miller IV

MOLECULAR MECHANISM FOR THE BIOSYNTHESIS AND REGULATION OF SECONDARY METABOLITES IN LYSOBACTER , Simon Tesfamichael Tombosa

STUDIES IN ASYMMETRIC CATALYSIS: SUPRAMOLECULAR CATALYSIS AND BORANE-ASSISTED HYDROGENATION , Kazuya Toyama

Molecular Mechanism for the Biosynthesis of Antifungal HSAF and Antibacterial WAP-8294A2 , Haotong Chen

Toward the Probing of DHQS Activity by Protein Engineering through the Introduction of Unnatural Amino Acids and the Selection of tRNA/tRNA Synthetase Pairs , Shaina E. Ives

Toward an Expanded Role for Collision-Induced Dissociation in Glycoproteomic Analysis , Venkata Kolli

New Methods for Synthesis of Organic Peroxides and Application of Peroxide Electrophiles to Synthesis of Functionalized Ethers , Shiva Kumar Kyasa

Chromatographic Analysis of Drug-Protein Interactions During Diabetes and Characterization of Human Serum Albumin Through Multidimensional Mass Spectrometry , Ryan E. Matsuda

THREE-DIMENSIONAL SCAFFOLDS OF GRAPHENE, CARBON NANOTUBES AND TRANSITION-METAL OXIDES FOR APPLICATIONS IN ELECTRONICS, SENSORS AND ENERGY STORAGE , Gilbert N. Mbah

TOWARD THE MEASUREMENT OF BIODISTRIBUTION OF 18 F-LABELED INDUSTRIAL CHEMICALS WITH POSITRON EMISSION TOMOGRAPHY (PET) , Katelyenn S. McCauley

Investigations into the Molecular Mechanisms of Bacterial Pathogen-Host Interactions: Construction of a Dual Plasmid System for Incorporation of Unnatural Amino Acids into Pseudomonas syringae pv. tomato DC3000 , Scotty D. Raber

Applications of High Performance Affinity Chromatography with High Capacity Stationary Phases Made by Entrapment , John A. Vargas Badilla

Uses of Diaryliodonium Salts and Methods for their Synthesis , Jordan M. Veness

The intersection of nuclear magnetic resonance and quantum chemistry , Yali Wang

Chemometric and Bioinformatic Analyses of Cellular Biochemistry , Bradley Worley

Analysis of Free Solute Fractions and Solute-Protein Interactions Using Ultrafast Affinity Extraction and Affinity Microcolumns , Xiwei Zheng

The 8-Silyloxyquinoline Scaffold as a Versatile Platform for the Sensitive Detection of Aqueous Fluoride , Xinqi Zhou

Nanostructured Cerium Oxide Based Catalysts: Synthesis, Physical Properties, and Catalytic Performance , Yunyun Zhou

Hydrolytically Stable Analogues of Sugar Phosphates and a Miniaturized in Situ Enzymatic Screen , Xiang Fei

Development and Application of Combined Quantum Mechanical and Molecular Mechanical Methods , Rui Lai

Syntheses of Aminyl Diradicals and Nitroxide Tetra- and Octaradicals , Arnon Olankitwanit

Analysis of Drug Interactions with Lipoproteins by High Performance Affinity Chromatography , Matthew R. Sobansky

Studies in Asymmetric Synthesis: Supramolecular Catalysis, C-H Activation, and D-Cycloserine Synthesis , Nathan C. Thacker

Application of Nuclear Magnetic Resonance Based Metabolomics to Study the Central Metabolism of Staphylococci , Bo Zhang

IMPLEMENTATION AND APPLICATION OF THE MMFF94 FORCE FIELD , Hongbo Zhu

The Electrochemical Analysis of Bovine Bone Derived Supercapacitors, Organic Peroxide Explosives, and Conducting Polymer Nanojunctions , Paul Goodman

The Development and Applications of NMR Metabolomics Analysis of Bacterial Metabolomes , Steven M. Halouska

Utilizing NMR Spectroscopy and Molecular Docking as Tools for the Structural Determination and Functional Annotation of Proteins , Jaime Stark

A. Catalysis of CO-PROX by Water-Soluble Rhodium Fluorinated Porphyrins B. Studies toward Fluorination of Electron Rich Aromatics by Nucleophilic Fluoride , Shri Harsha Uppaluri

Regulation of Secondary Metabolism in Lysobacter enzymogenes : Studies of Intercellular and Intracellular Signaling , Stephen J. Wright

DIRECTED CATALYTIC ASYMMETRIC HYDROBORATION OF 1,1-DISUBSTITUTED ALKENES , Mohammad Odeh Bani Khaled

I. Synthesis of β-Sitosterol and Phytosterol Esters; II. New Methodology for Singlet Oxygen Generation from 1,1-Dihydroperoxides , Jiliang Hang

Experimental and Theoretical Studies in Solid-state Nuclear Magnetic Resonance , Monica N. Kinde

Experimental and Theoretical Studies in Nuclear Magnetic Resonance , John D. Persons

RHODIUM-CATALYZED HYDROBORATION OF 1,1-DISUBSTITUTED ALKENES , Scott A. Pettibone

INVESTIGATIONS OF INTER- AND INTRAMOLECULAR C-O BOND FORMING REACTIONS OF PEROXIDE ELECTROPHILES , Benjamin W. Puffer

The Use of Rhenium (VII) Oxide as a Catalyst for the Substution of Hemiacetals , Michael W. Richardson

Characterization of Novel Macrocyclic Polyether Modified Pseudostationary Phases for use in Micellar Electrokinetic Chromatography and Development of a Chemiluminescence Presumptive Assay for Peroxide-based Explosives , Raychelle Burks

Preparation and Characterization of Biomimetic Hydroxyapatite-Resorbable Polymer Composites for Hard Tissue Repair , Kristopher R. Hiebner

High Yield Synthesis of Positron Emission Tomography Ligands for Metabotropic Glutamate Receptor Imaging , Saraanne E. Hitchcock

Optimization and Implementation of Entrapment: A Novel Immobilization Technique for High-performance Affinity Chromatography , Abby J. Jackson

Fabrication and Catalytic Property of Cerium Oxide Nanomaterials , Keren Jiang

Affinity Chromatography in Environmental Analysis and Drug-Protein Interaction Studies , Efthimia Papastavros

Development and Optimization of Organic Based Monoliths for Use in Affinity Chromatography , Erika L. Pfaunmiller

I. An Improved Procedure for Alkene Ozonolysis. II. Exploring a New Structural Paradigm for Peroxide Antimalarials. , Charles Edward Schiaffo

QUANTUM MECHANICAL AND MOLECULAR MECHANICAL STUDY OF SOLVENT EFFECTS , Dejun Si

Resorbable Polymer-Hydroxyapatite Composites for Bone Trauma Treatment: Synthesis and Properties , Troy E. Wiegand

PURIFICATION OF LYSINE DECARBOXYLASE: A MODEL SYSTEM FOR PLP ENZYME INHIBITOR DEVELOPMENT AND STUDY , Leah C. Zohner

Characterization of Glycation Sites on Human Serum Albumin using Mass Spectrometry , Omar S. Barnaby

HIGH TEMPERATURE RARE EARTH COMPOUNDS: SYNTHESIS, CHARACTERIZATION AND APPLICATIONS IN DEVICE FABRICATION , Joseph R. Brewer

Classification, Synthesis and Characterization of Pyridyl Porphyrin Frameworks , Lucas D. DeVries

Ultrasonic Activation of Triacetone Triperoxide , LaTravia R. Dobson

Characteristics and Stability of Oxide Films on Plutonium Surfaces , Harry Guillermo García Flores

Controlling Reductive Elimination From Novel I(III) Salts Using a SECURE Method , Joseph W. Graskemper

I. A NEW SYNTHETIC APPROACH TO THE SYNTHESIS OF N-(PHOSPHONOACETYL)-L-ORNITHINE, II. THE INFLUENCE OF PYRIDINE ON THE OZONOLYSIS OF ALKENES , Bradley M. Johnson

Chromatographic Studies of Drug-Protein Binding in Diabetes , Kathryn (Krina) S. Joseph

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• 10 Research Question Examples to Guide Your Research Project

10 Research Question Examples to Guide your Research Project

Published on October 30, 2022 by Shona McCombes . Revised on October 19, 2023.

The research question is one of the most important parts of your research paper , thesis or dissertation . It’s important to spend some time assessing and refining your question before you get started.

The exact form of your question will depend on a few things, such as the length of your project, the type of research you’re conducting, the topic , and the research problem . However, all research questions should be focused, specific, and relevant to a timely social or scholarly issue.

Once you’ve read our guide on how to write a research question , you can use these examples to craft your own.

Note that the design of your research question can depend on what method you are pursuing. Here are a few options for qualitative, quantitative, and statistical research questions.

Other interesting articles

If you want to know more about the research process , methodology , research bias , or statistics , make sure to check out some of our other articles with explanations and examples.

Methodology

• Sampling methods
• Simple random sampling
• Stratified sampling
• Cluster sampling
• Likert scales
• Reproducibility

 Statistics

• Null hypothesis
• Statistical power
• Probability distribution
• Effect size
• Poisson distribution

Research bias

• Optimism bias
• Cognitive bias
• Implicit bias
• Hawthorne effect
• Anchoring bias
• Explicit bias

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Biology 194A,B: Experimental Thesis

The laboratory/field experimental research thesis.

The experimental thesis option requires that you complete an original research project, either in the laboratory or in the field, and submit a scientific paper describing that research. You will spend most of your efforts in this option testing and modifying your experimental design, conducting your experiments, and analyzing your results. The written product of this work will be similar in format to formal lab reports you have written in biology classes, although all aspects of your thesis will be much more extensive than a lab paper for a class.

Outline of Research

(included in the senior exercise contract):  For an experimental thesis, you must arrange for a place to carry out your research.  Typically, this would be in the lab of (one of) your reader(s).  You must discuss with your reader(s) what your needs will be for such things as facilities, equipment, supplies, and field sites.  In fact, you should give these matters considerable thought prior to approaching a potential experimental thesis reader. You will submit a list of your research needs along with the senior exercise contract so that the department can determine how we can best meet these needs.  The department will provide modest funding for expenses incurred in research ($500)/student), but it is unlikely that we will purchase specialized equipment just for senior projects.  You may NOT use department vehicles for regular transportation to a field site. For several reasons it is essential that you discuss your research needs with your thesis advisor(s) first and use his/her suggestions in drafting your list of research requirements.  You may be able to use equipment and/or supplies available through your reader(s), and all reimbursements must be approved prior to purchase by your thesis advisor(s).   In addition to a list of your research needs, you must also write an abstract that describes the problem you plan to address, the experimental approach you plan to take and a proposed calendar (time-line) for your research.

Progress Report

This is a non-graded (P/NC), written report that describes the early progress you have made in obtaining experimental results and is due part way through the fall semester (see Deadlines, p. 14).  The purpose of this report is to demonstrate to your reader(s) that you have made reasonable progress in tackling your proposed thesis problem, have clearly identified any unforeseen obstacles, and have a plan to resolve them over the course of the remaining weeks of the semester.  We want to know in detail how successful your experimental design has been to date and any problems you have encountered.  You must receive a passing grade on this progress report in order to proceed with your thesis for the rest of the semester.

1 st Semester Draft

This is a graded, written report that is a permanent grade on your transcript for Bio 194A and is due on the last day of classes, Fall Semester.  This paper must include a complete, critical literature review of your topic, your materials and methods section, results to date along with any conclusions that can be drawn from the data you report, and the literature cited section.  Your readers will expect the Introduction, Materials and Methods and Literature Cited sections to essentially complete and polished.  You will report results of experiments in progress, so the Results and Discussion sections will be considerably less complete than those in the final, second semester version. You will receive one credit for this course and a letter grade. It will appear on your transcript as “Experimental Thesis (1 st half).” A passing grade in Bio 194A is a requirement for enrollment in Bio 194B.

Complete Draft/Final Revised Version

These are both graded final reports of your research, written in the format of a scientific paper, which includes an abstract, introduction with literature review and analysis, materials and methods, results, discussion with conclusions, and a complete literature cited section.  You will receive one credit for this course and a letter grade. It will appear on your transcript as “Experimental Thesis (2nd half).”

Public Presentation

All experimental thesis students are required to deliver a public presentation to students and faculty in a forum at the end of the Spring Semester, usually held on the last Friday of classes.

You must write your thesis in the format of a scientific journal paper, the sections of which are described below.

A good title is brief and informative. Try to encapsulate the research topic and objectives – i.e. what your thesis is about.  Humor is not appropriate in a thesis title.

This short paragraph summarizes the entire thesis: the question you asked, the hypothesis you proposed, the approach you took, the results you predicted, the most important, specific (quantitative) results that you obtained, and the conclusions you drew.  Refer to your experimental organism(s) by scientific name(s).  The reader should be able to understand the purpose and conclusions of your study by reading this brief statement: it must be able to stand alone.  Often a reader reads only your abstract.  It is always best to write the abstract last, but it should not be merely a duplicate of your conclusions.  Do not just cut and paste from other sections; write the abstract in its own, very concise style.

Introduction

In a typical research paper, this section briefly covers the general nature of the problem and the significance of the study; that is, why you undertook the study and what you hoped to learn. For a thesis, however, it is necessary to include an historical overview of your problem, its background, and its significance. This section will consist of a critical review of the work that has already been carried out in the field and define the question and hypothesis you propose to test. Critically discuss the background information relevant to the problem you have chosen to study; show why this problem is scientifically interesting and worth investigating experimentally. You should not merely state the conclusions of the work you are reviewing; instead, briefly describe the experiments, the actual results (in quantitative terms whenever possible), and THEN what the results mean.  Do you agree with the interpretation of the results?  Did the investigators use the most appropriate approach(es) to address their question?  Taken together, the background information you present should lead the reader to the inevitable conclusion that it is important to know the answer to the question you have posed and that your hypothesis must be tested.  The relevance of this background information to your research question and hypotheses should be made clear throughout the entire section.

Materials and Methods

What did you do?  Using the past tense, describe your methods concisely but in sufficient detail that your reader could duplicate your techniques.  For field projects, you should describe your study area, how you selected the specific areas sampled or studied, and how you identified your organisms, etc.  Be sure to include scientific names of species studied, your sample sizes, and the types of statistical tests used (if any). Scientific names should be given in full at the first mention, and thereafter the genus (but not the species) can be abbreviated to the initial, e.g., C. annuum.

What did you find out?  Concisely present the results of your experiments and observations in words.  Also include tables, graphs, diagrams, maps, etc., where appropriate. Be sure that all figures and tables are numbered, and referred to in the text by their numbers.  Your text should describe the content of figures and tables, and the significance levels resulting from statistical analyses, but it should not attempt to explain these results; leave this for your Discussion.  Biology is a quantitative science, so be as quantitative as possible: it is much more informative to state that "species X has density of 34 + 5 m -2  at site A and 5 + 2 m -2  at site B" than "species X is more abundant at site A than at site B".  Tables should include pertinent summarizing data such as mean values (± Standard error), and not merely exhaustive lists of primary data.  All numerical data must abide by the significant digits allowed by the measurements themselves and subsequent calculations using measured values.   Insert your Tables and Figures at the appropriate places in the text.

What does it all mean?  In this section you evaluate and explain your data and other results, and discuss them in relation to other similar studies reported in the literature.  As always, when you make a statement of fact beyond common knowledge, you must give a reference to that statement in the form of a text citation, using proper format (see TEXT CITATIONS on pp. 9-10 for details).  In the text of your paper, the literature should be referred to as follows:  "Lopez (2004) stated that . . ..", or, "The animals were observed to blah blah blah (Kuwahara and Schmidt, 1999)".  Examine your data carefully, and then make the most informative and informed statements about them that you can.  Distinguish between clear conclusions that derive from your study, and what is merely indicated or suggested.  Discuss specific items of interest, such as (in the above example) why you think Species X is more abundant at site A than at site B.  Discuss the significance of your study, both in relation to the specifics of your experimental system, and to more general principles of biology.  You may find it appropriate to include brief comments on the accuracy, adequacy, and limitations of your own study, difficulties encountered, possible ways to circumvent these in the future, and ideas for future work, etc.

Conclusions

The Conclusions section is not the same as the Abstract.  Rather, it should contain a brief summary of your results, stated as conclusions, and nothing more.  Listing them as bulleted points is one convenient way to present them.  Be certain that these conclusions are fully justified by your data.

Acknowledgements

In this section you acknowledge help you received during any aspect of your project, including data and suggestions you received from others, as well as funding you or your advisor may have received from outside the department.  It is always acceptable to discuss laboratory and field activities with others and to analyze data as a group, and you are free to discuss your ideas with others; scientists do this all the time.  It is very important, however, that the final thesis document represent your own original thoughts, organization, and expression.  It is always appropriate to recognize and thank those who have significantly assisted you with laboratory or fieldwork, calculations, or the formulations of ideas, e.g., "I thank my roommate Al Gnowing for many stimulating discussions and my advisor Dr. Nobel for teaching me how to use high explosives safely."

Literature Cited

This section is always the last of your thesis, and must include every paper you have cited in the text, and only those papers.  See pp. 9-10 for a description of how to present your literature citations.

Fall Experimental Thesis 194A

Spring Experimental Thesis 194B

*** Turn a hard copy of the final version to each reader. You must also turn in the complete drafts, with the reader's comments, when you turn in the final draft.   Also submit the final version on a CD in either pdf or Word format to Dr. Karnovsky.  Links to the abstracts may be put on the Department web page, and the full electronic version of your thesis will be available to future students for several years. Please remember to put page numbers on ALL written material given to readers for feedback.  When handing in your draft and final version to your readers, you should determine when you can pick up the graded and critiqued copy.  Be sure to get your graded progress report back from faculty readers before the course drop deadline.

Please remember to put page numbers on ALL written material given to readers for feedback. When handing in your draft and final version to your readers, you should determine when you can pick up the graded and critiqued copy. Be sure to get your graded progress report back from faculty readers before the course drop deadline.

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AI Generator

A thesis is a comprehensive research paper that presents a central argument or claim supported by evidence. Typically written by students pursuing advanced degrees, a thesis demonstrates a deep understanding of a subject. It includes a clear research question, literature review, methodology, analysis, and conclusions. The process enhances critical thinking, research skills , and subject expertise, culminating in a significant academic contribution.

Thesis paper . Many students tend to fear this word and there is a good reason as to why they do.  You may already have tried making a thesis before and at some point, you would also realize the trial and error stage of making one. 

What Is a Thesis?

A thesis a research paper writing that is made for a purpose. Thesis papers consists of a research statement , a kind of statement , a theory, a purpose. The thesis is made in order to prove your theory and make it into a fact. There are a lot of kinds of thesis, but the most common thesis kinds are analytical thesis, an argumentative thesis and an explanatory thesis.

Types of Thesis

Analytical thesis.

An analytical thesis breaks down an issue or idea into its component parts, evaluates the topic, and presents this breakdown and evaluation to the audience. It is often used in literature, history, and social sciences.

Expository Thesis

An expository thesis explains a topic to the audience. It provides a comprehensive overview of a subject, presenting facts and analysis without personal opinion. This type is common in science and technical writing.

Argumentative Thesis

An argumentative thesis makes a claim about a topic and justifies this claim with specific evidence. The goal is to persuade the reader of a particular viewpoint. This type is prevalent in fields like philosophy, political science, and law.

Narrative Thesis

A narrative thesis tells a story or recounts an event. It includes personal experiences or detailed descriptions of events to support the main argument. This type is often used in creative writing and autobiographies.

Comparative Thesis

A comparative thesis compares and contrasts two or more subjects, evaluating their similarities and differences. It is commonly used in literature, history, and social sciences to draw meaningful conclusions.

Descriptive Thesis

A descriptive thesis provides a detailed description of a topic without arguing a specific point. It paints a vivid picture of the subject, often used in fields like anthropology and sociology to explore cultural phenomena.

Empirical Thesis

An empirical thesis is based on original research and data collection. It involves experiments, surveys, or observations to answer a specific research question. This type is typical in natural and social sciences.

Examples of Thesis

Thesis examples in literature, 1: analysis of a single work.

Title: “The Use of Symbolism in ‘The Great Gatsby’ by F. Scott Fitzgerald”

Thesis Statement: In F. Scott Fitzgerald’s ‘The Great Gatsby,’ the use of symbolism, particularly through the green light at the end of Daisy’s dock, the eyes of Doctor T. J. Eckleburg, and the Valley of Ashes, serves to illustrate the overarching themes of the American Dream, moral decay, and the quest for identity.

2: Comparative Analysis

Title: “The Role of Women in ‘Pride and Prejudice’ by Jane Austen and ‘Jane Eyre’ by Charlotte Brontë”

Thesis Statement: While both Jane Austen’s ‘Pride and Prejudice’ and Charlotte Brontë’s ‘Jane Eyre’ critique the limited roles and expectations of women in 19th-century British society, Austen’s Elizabeth Bennet and Brontë’s Jane Eyre embody different forms of rebellion against societal norms, highlighting the evolving perception of women’s independence and self-worth.

3: Thematic Analysis

Title: “Exploring the Theme of Isolation in ‘Frankenstein’ by Mary Shelley”

Thesis Statement: Mary Shelley’s ‘Frankenstein’ explores the theme of isolation through the experiences of Victor Frankenstein and his creation, the monster, demonstrating how isolation leads to destructive consequences for both individuals and society.

4: Character Analysis

Title: “The Evolution of Hamlet’s Character in William Shakespeare’s ‘Hamlet'”

Thesis Statement: In William Shakespeare’s ‘Hamlet,’ the protagonist undergoes a significant transformation from a grief-stricken and indecisive prince to a determined and introspective avenger, reflecting the complexities of human nature and the impact of existential contemplation.

5: Genre Analysis

Title: “Gothic Elements in ‘Wuthering Heights’ by Emily Brontë”

Thesis Statement: Emily Brontë’s ‘Wuthering Heights’ employs key elements of Gothic literature, including a brooding atmosphere, supernatural occurrences, and the exploration of human psychology, to create a haunting and timeless tale of passion and revenge.

6: Symbolic Analysis

Title: “The Symbolism of the Green Light in ‘The Great Gatsby’ by F. Scott Fitzgerald”

Thesis Statement: The green light in F. Scott Fitzgerald’s ‘The Great Gatsby’ symbolizes Gatsby’s unattainable dreams and the elusive nature of the American Dream, reflecting the broader themes of hope, disillusionment, and the pursuit of an idealized future.

7: Historical Context

Title: “Historical Influences on George Orwell’s ‘1984’”

Thesis Statement: George Orwell’s ‘1984’ draws heavily on the political climate of the early 20th century, particularly the rise of totalitarian regimes and the impact of World War II, to present a dystopian vision of a future where government surveillance and propaganda control every aspect of life.

8: Feminist Critique

Title: “Feminist Perspectives in ‘The Handmaid’s Tale’ by Margaret Atwood”

Thesis Statement: Margaret Atwood’s ‘The Handmaid’s Tale’ critiques the patriarchal structures of contemporary society by depicting a dystopian world where women’s rights are stripped away, illustrating the extreme consequences of gender oppression and the resilience of female solidarity.

9: Psychoanalytic Criticism

Title: “Freudian Elements in ‘The Turn of the Screw’ by Henry James”

Thesis Statement: Henry James’s ‘The Turn of the Screw’ can be interpreted through a Freudian lens, where the governess’s experiences and the ambiguous nature of the ghosts reflect deep-seated psychological conflicts and repressed desires, highlighting the novella’s exploration of the human psyche.

10: Postcolonial Analysis

Title: “Postcolonial Themes in ‘Things Fall Apart’ by Chinua Achebe”

Thesis Statement: Chinua Achebe’s ‘Things Fall Apart’ addresses postcolonial themes by portraying the clash between traditional Igbo society and British colonial forces, illustrating the devastating effects of colonialism on indigenous cultures and the struggle for cultural identity and autonomy.

Thesis Examples for Essays

1: persuasive essay.

Topic: “The Importance of Renewable Energy”

Thesis Statement: Governments around the world should invest heavily in renewable energy sources like solar and wind power to reduce dependency on fossil fuels, combat climate change, and create sustainable job opportunities.

2: Analytical Essay

Topic: “The Symbolism in ‘The Great Gatsby’ by F. Scott Fitzgerald”

Thesis Statement: In ‘The Great Gatsby,’ F. Scott Fitzgerald uses the symbols of the green light, the eyes of Doctor T. J. Eckleburg, and the Valley of Ashes to illustrate the moral and social decay of America during the Roaring Twenties.

3: Expository Essay

Topic: “The Impact of Social Media on Teenagers”

Thesis Statement: Social media has significantly impacted teenagers’ mental health, social skills, and academic performance, both positively and negatively, necessitating a balanced approach to its usage.

4: Compare and Contrast Essay

Topic: “Public vs. Private School Education”

Thesis Statement: While public schools offer a more diverse social environment and extracurricular opportunities, private schools provide smaller class sizes and specialized curriculums, making the choice dependent on individual student needs and family priorities.

5: Cause and Effect Essay

Topic: “The Causes and Effects of the Rise in Obesity Rates”

Thesis Statement: The rise in obesity rates can be attributed to poor dietary habits, sedentary lifestyles, and genetic factors, leading to serious health issues such as diabetes, heart disease, and decreased life expectancy.

6: Narrative Essay

Topic: “A Life-Changing Experience”

Thesis Statement: My trip to volunteer at a rural school in Kenya was a life-changing experience that taught me the value of education, the importance of cultural exchange, and the power of empathy and compassion.

7: Argumentative Essay

Topic: “The Necessity of Free College Education”

Thesis Statement: Free college education is essential for ensuring equal opportunities for all, reducing student debt burdens, and fostering a more educated and productive workforce.

8: Descriptive Essay

Topic: “The Beauty of a Sunset”

Thesis Statement: A sunset, with its vibrant hues and serene ambiance, evokes a sense of peace and reflection, illustrating nature’s ability to inspire awe and tranquility in our daily lives.

9: Definition Essay

Topic: “What is Happiness?”

Thesis Statement: Happiness is a complex and multifaceted emotion characterized by feelings of contentment, fulfillment, and joy, influenced by both internal factors like mindset and external factors such as relationships and achievements.

10: Process Essay

Topic: “How to Bake the Perfect Chocolate Cake”

Thesis Statement: Baking the perfect chocolate cake involves selecting high-quality ingredients, precisely following the recipe, and understanding the nuances of baking techniques, from mixing to temperature control.

Thesis Examples for Argumentative Essay

1: gun control.

Topic: “Stricter Gun Control Laws”

Thesis Statement: Stricter gun control laws are necessary to reduce gun violence in the United States, as evidenced by lower rates of gun-related deaths in countries with stringent regulations.

2: Climate Change

Topic: “Addressing Climate Change”

Thesis Statement: To effectively combat climate change, governments worldwide must implement aggressive policies to reduce carbon emissions, invest in renewable energy, and promote sustainable practices.

3: Animal Testing

Topic: “Ban on Animal Testing”

Thesis Statement: Animal testing for cosmetics should be banned globally due to its ethical implications, the availability of alternative testing methods, and the questionable reliability of animal-based results for human safety.

4: Education Reform

Topic: “Standardized Testing in Schools”

Thesis Statement: Standardized testing should be eliminated in schools as it narrows the curriculum, causes undue stress to students, and fails to accurately measure a student’s potential and abilities.

5: Universal Basic Income

Topic: “Implementing Universal Basic Income”

Thesis Statement: Implementing a universal basic income would help alleviate poverty, reduce income inequality, and provide financial stability in an increasingly automated and unpredictable job market.

6: Health Care

Topic: “Universal Health Care”

Thesis Statement: Universal health care should be adopted in the United States to ensure that all citizens have access to essential medical services, reduce overall healthcare costs, and improve public health outcomes.

7: Immigration Policy

Topic: “Reforming Immigration Policies”

Thesis Statement: Comprehensive immigration reform is essential to address undocumented immigration, protect human rights, and contribute to economic growth by recognizing the contributions of immigrants to society.

8: Death Penalty

Topic: “Abolishing the Death Penalty”

Thesis Statement: The death penalty should be abolished as it is an inhumane practice, prone to judicial errors, and has not been proven to deter crime more effectively than life imprisonment.

9: Social Media Regulation

Topic: “Regulating Social Media Platforms”

Thesis Statement: Social media platforms should be regulated to prevent the spread of misinformation, protect user privacy, and reduce the negative impact on mental health, particularly among adolescents.

10: College Tuition

Topic: “Free College Tuition”

Thesis Statement: Providing free college tuition at public universities would increase access to higher education, reduce student debt, and help create a more educated and skilled workforce to meet future economic demands.

Thesis Examples for Research Papers

1: environmental science.

Topic: “Impact of Plastic Pollution on Marine Life”

Thesis Statement: Plastic pollution in the oceans is causing significant harm to marine life, leading to ingestion and entanglement of plastic debris, disruption of ecosystems, and bioaccumulation of toxic substances in the food chain.

2: Psychology

Topic: “Effects of Social Media on Adolescent Mental Health”

Thesis Statement: Excessive use of social media negatively impacts adolescent mental health by increasing the risk of anxiety, depression, and poor sleep quality, while also contributing to body image issues and cyberbullying.

3: Education

Topic: “Benefits of Bilingual Education Programs”

Thesis Statement: Bilingual education programs enhance cognitive abilities, improve academic performance, and promote cultural awareness, making them a valuable approach in the increasingly globalized and multicultural society.

4: Public Health

Topic: “Addressing the Obesity Epidemic”

Thesis Statement: Addressing the obesity epidemic requires a multifaceted approach that includes implementing public health campaigns, promoting healthy eating habits, increasing physical activity, and regulating food advertising targeted at children.

5: Economics

Topic: “Universal Basic Income and Economic Stability”

Thesis Statement: Implementing a universal basic income can provide economic stability by reducing poverty, ensuring a safety net during economic downturns, and stimulating consumer spending, thereby supporting overall economic growth.

6: Political Science

Topic: “Impact of Voter ID Laws on Voter Turnout”

Thesis Statement: Voter ID laws disproportionately reduce voter turnout among minority and low-income populations, undermining the democratic process and exacerbating existing inequalities in political participation.

7: Sociology

Topic: “Gender Stereotypes in Media Representation”

Thesis Statement: Media representation perpetuates gender stereotypes by consistently portraying men and women in traditional roles, which reinforces societal norms and limits the opportunities for gender equality.

8: Technology

Topic: “Artificial Intelligence in Healthcare”

Thesis Statement: The integration of artificial intelligence in healthcare can improve patient outcomes, enhance diagnostic accuracy, and streamline administrative processes, but it also raises ethical concerns regarding data privacy and the potential for job displacement.

Topic: “Causes and Consequences of the American Civil War”

Thesis Statement: The American Civil War was primarily caused by deep-seated economic, social, and political differences between the North and South, particularly over the issue of slavery, and it resulted in significant social and political changes, including the abolition of slavery and the reconstruction of the South.

10: Environmental Policy

Topic: “Renewable Energy Policies and Their Effectiveness”

Thesis Statement: Renewable energy policies, such as subsidies for solar and wind power and carbon pricing, are effective in reducing greenhouse gas emissions and promoting sustainable energy sources, but their success depends on comprehensive implementation and international cooperation.

Thesis Examples for Informative Essay

Topic: “The Water Cycle”

Thesis Statement: The water cycle, which includes processes such as evaporation, condensation, precipitation, and infiltration, is essential for distributing water across the Earth’s surface and maintaining ecological balance.

2: Health and Wellness

Topic: “The Benefits of Regular Exercise”

Thesis Statement: Regular exercise is crucial for maintaining physical health, improving mental well-being, and reducing the risk of chronic diseases such as obesity, diabetes, and cardiovascular conditions.

3: Technology

Topic: “The Development of Artificial Intelligence”

Thesis Statement: The development of artificial intelligence has progressed from simple machine learning algorithms to complex neural networks capable of performing tasks such as natural language processing, image recognition, and autonomous driving.

Topic: “The Causes and Effects of the American Civil Rights Movement”

Thesis Statement: The American Civil Rights Movement was driven by factors such as racial segregation, economic disparity, and political disenfranchisement, leading to significant legislative and social changes that improved the rights and freedoms of African Americans.

5: Education

Topic: “The Montessori Method of Education”

Thesis Statement: The Montessori method of education, developed by Dr. Maria Montessori, emphasizes self-directed learning, hands-on activities, and collaborative play, fostering independence and critical thinking skills in young children.

6: Sociology

Topic: “The Impact of Urbanization on Community Life”

Thesis Statement: Urbanization significantly impacts community life by altering social structures, increasing economic opportunities, and presenting challenges such as overcrowding, pollution, and loss of green spaces.

7: Environmental Policy

Topic: “The Role of Renewable Energy in Combating Climate Change”

Thesis Statement: Renewable energy sources, such as solar, wind, and hydroelectric power, play a critical role in combating climate change by reducing greenhouse gas emissions and providing sustainable alternatives to fossil fuels.

8: Business

Topic: “The Rise of Gig Economy”

Thesis Statement: The rise of the gig economy has transformed the labor market by offering flexible work opportunities, fostering entrepreneurship, and posing challenges such as job insecurity and lack of benefits for workers.

9: Psychology

Topic: “The Importance of Sleep for Cognitive Function”

Thesis Statement: Adequate sleep is essential for cognitive function, memory consolidation, and emotional regulation, with chronic sleep deprivation leading to impaired mental performance and increased risk of mental health disorders.

10: Cultural Studies

Topic: “The Influence of Japanese Anime on Global Pop Culture”

Thesis Statement: Japanese anime has significantly influenced global pop culture by shaping trends in fashion, art, and storytelling, and fostering a dedicated international fanbase that celebrates its unique aesthetic and thematic elements.

Thesis Examples for Synthesis Essay

1: climate change.

Topic: “Combating Climate Change through Policy and Innovation”

Thesis Statement: Combating climate change requires a multifaceted approach that includes stringent environmental policies, investment in renewable energy technologies, and community-based initiatives to reduce carbon footprints, integrating efforts from government, industry, and society.

2: Education

Topic: “Balancing Technology and Traditional Teaching Methods in Education”

Thesis Statement: A balanced approach to education that combines the benefits of technology, such as interactive learning tools and online resources, with traditional teaching methods, like face-to-face instruction and hands-on activities, can enhance student engagement and academic achievement.

Topic: “Addressing the Opioid Crisis through Comprehensive Strategies”

Thesis Statement: Addressing the opioid crisis requires comprehensive strategies that include better access to addiction treatment programs, stricter regulations on prescription opioids, and increased public awareness campaigns to educate communities about the risks of opioid misuse.

4: Technology

Topic: “The Impact of Social Media on Political Mobilization”

Thesis Statement: Social media has revolutionized political mobilization by providing platforms for grassroots campaigns, enabling real-time communication, and fostering civic engagement, but it also poses challenges such as the spread of misinformation and echo chambers.

5: Business

Topic: “Corporate Social Responsibility and Its Impact on Brand Loyalty”

Thesis Statement: Corporate social responsibility (CSR) initiatives, when genuinely implemented, can significantly enhance brand loyalty by aligning company values with consumer expectations, fostering trust, and contributing positively to societal well-being.

Topic: “The Role of Gender Stereotypes in Media Representation”

Thesis Statement: Media representation perpetuates gender stereotypes by consistently depicting men and women in traditional roles, which influences societal perceptions and expectations, but progressive portrayals are gradually challenging these norms and promoting gender equality.

Topic: “Sustainable Urban Development and Green Infrastructure”

Thesis Statement: Sustainable urban development that incorporates green infrastructure, such as green roofs, urban gardens, and eco-friendly public transportation, is essential for mitigating environmental impacts, improving public health, and enhancing the quality of urban life.

8: Psychology

Topic: “The Effects of Mindfulness Practices on Mental Health”

Thesis Statement: Mindfulness practices, including meditation, yoga, and mindful breathing, have been shown to significantly improve mental health by reducing stress, enhancing emotional regulation, and promoting overall well-being, supported by a growing body of scientific research.

9: Economics

Topic: “Universal Basic Income as a Solution to Economic Inequality”

Thesis Statement: Universal Basic Income (UBI) presents a viable solution to economic inequality by providing financial security, reducing poverty, and supporting economic stability, though it requires careful consideration of funding mechanisms and potential societal impacts.

10: Public Health

Topic: “The Importance of Vaccination Programs in Preventing Epidemics”

Thesis Statement: Vaccination programs are crucial for preventing epidemics, protecting public health, and achieving herd immunity, as evidenced by the successful eradication of diseases like smallpox and the control of outbreaks such as measles and influenza.

Thesis Examples for Persuasive Essays

Thesis Statement: Stricter gun control laws are essential to reduce gun violence in the United States, as they will help prevent firearms from falling into the wrong hands, decrease the number of mass shootings, and enhance public safety.

Topic: “Urgent Action on Climate Change”

Thesis Statement: Immediate and robust action is needed to combat climate change, including reducing carbon emissions, transitioning to renewable energy sources, and implementing sustainable practices to mitigate the devastating effects on our planet.

3: Animal Rights

Topic: “Ban on Animal Testing for Cosmetics”

Thesis Statement: Animal testing for cosmetics should be banned worldwide due to its ethical implications, the availability of alternative testing methods, and the questionable reliability of animal-based results for human safety.

Topic: “Abolishing Standardized Testing in Schools”

Thesis Statement: Standardized testing should be abolished in schools as it narrows the curriculum, places undue stress on students, and fails to accurately measure a student’s potential and abilities, thereby hindering educational growth.

5: Universal Health Care

Topic: “Adopting Universal Health Care in the United States”

Thesis Statement: The United States should adopt a universal health care system to ensure that all citizens have access to essential medical services, reduce overall healthcare costs, and improve public health outcomes.

6: Immigration Policy

Thesis Statement: Comprehensive immigration reform is essential to address undocumented immigration, protect human rights, and contribute to economic growth by recognizing the contributions of immigrants to society and ensuring a fair, efficient legal process.

7: Death Penalty

Thesis Statement: The death penalty should be abolished as it is an inhumane practice, prone to judicial errors, and has not been proven to deter crime more effectively than life imprisonment, while also being more costly to taxpayers.

8: Social Media Regulation

Thesis Statement: Social media platforms should be regulated to prevent the spread of misinformation, protect user privacy, and reduce the negative impact on mental health, particularly among adolescents, to create a safer online environment.

9: College Tuition

Topic: “Providing Free College Tuition”

10: Renewable Energy

Topic: “Investing in Renewable Energy Sources”

Thesis Statement: Governments should invest heavily in renewable energy sources like solar and wind power to reduce dependency on fossil fuels, combat climate change, and create sustainable job opportunities, ensuring a cleaner and healthier future.

Thesis Examples for Analysis Essays

1: literary analysis.

Topic: “Symbolism in ‘The Great Gatsby’ by F. Scott Fitzgerald”

Thesis Statement: In ‘The Great Gatsby,’ F. Scott Fitzgerald uses symbols such as the green light, the Valley of Ashes, and the eyes of Doctor T. J. Eckleburg to critique the American Dream and explore themes of ambition, disillusionment, and moral decay.

2: Film Analysis

Topic: “Themes of Redemption in ‘The Shawshank Redemption'”

Thesis Statement: ‘The Shawshank Redemption’ explores themes of hope, friendship, and the human spirit’s resilience, using the character arcs of Andy Dufresne and Red to highlight the transformative power of hope and redemption within the confines of a corrupt prison system.

3: Rhetorical Analysis

Topic: “Martin Luther King Jr.’s ‘I Have a Dream’ Speech”

Thesis Statement: In his ‘I Have a Dream’ speech, Martin Luther King Jr. employs rhetorical strategies such as repetition, parallelism, and powerful imagery to effectively convey his vision of racial equality and galvanize the civil rights movement.

4: Historical Analysis

Topic: “Causes of the Fall of the Roman Empire”

Thesis Statement: The fall of the Roman Empire was the result of a complex interplay of factors, including political corruption, economic instability, military defeats, and the gradual erosion of civic virtue, which collectively undermined the empire’s ability to sustain itself.

5: Character Analysis

Topic: “The Complexity of Hamlet in William Shakespeare’s ‘Hamlet'”

Thesis Statement: In William Shakespeare’s ‘Hamlet,’ the titular character’s complexity is revealed through his introspective nature, moral ambiguity, and fluctuating resolve, which collectively illustrate the play’s exploration of existential themes and the human condition.

6: Social Analysis

Topic: “The Impact of Social Media on Modern Communication”

Thesis Statement: Social media has significantly altered modern communication by enabling instantaneous sharing of information and fostering global connectivity, while also contributing to issues such as reduced face-to-face interactions, cyberbullying, and the spread of misinformation.

7: Cultural Analysis

Topic: “Cultural Significance of Traditional Festivals”

Thesis Statement: Traditional festivals play a crucial role in preserving cultural heritage, fostering community identity, and promoting social cohesion, as they provide a platform for the transmission of customs, values, and shared history across generations.

8: Economic Analysis

Topic: “The Effects of Globalization on Local Economies”

Thesis Statement: Globalization has profoundly impacted local economies by enhancing market access, fostering economic growth, and encouraging cultural exchange, but it has also led to job displacement, wage suppression, and the erosion of local industries in some regions.

9: Psychological Analysis

Topic: “Freudian Themes in ‘The Turn of the Screw’ by Henry James”

Thesis Statement: Henry James’s ‘The Turn of the Screw’ can be analyzed through a Freudian lens, where the governess’s experiences and the ambiguous nature of the ghosts reflect deep-seated psychological conflicts, repressed desires, and the complexities of the human psyche.

10: Political Analysis

Topic: “The Effectiveness of the New Deal Programs”

Thesis Statement: The New Deal programs implemented by President Franklin D. Roosevelt were effective in providing immediate relief during the Great Depression, spurring economic recovery, and implementing long-term reforms that reshaped the American social and economic landscape.

Thesis Examples for Compare and Contrast Essay

1: literature.

Topic: “Comparing ‘1984’ by George Orwell and ‘Brave New World’ by Aldous Huxley”

Thesis Statement: While George Orwell’s ‘1984’ presents a dystopian future of totalitarian control through fear and oppression, Aldous Huxley’s ‘Brave New World’ explores a similar theme through a society controlled by pleasure and conditioning, highlighting different methods of societal control and their implications.

Topic: “Public School vs. Private School Education”

Thesis Statement: Public schools offer a diverse social environment and a broad curriculum, whereas private schools provide smaller class sizes and specialized programs, making the choice between the two dependent on individual educational goals and personal preferences.

Topic: “E-books vs. Printed Books”

Thesis Statement: While e-books offer convenience, portability, and interactive features, printed books provide a tactile experience, lack of screen strain, and a sense of nostalgia, demonstrating how each format caters to different reader preferences and needs.

Topic: “Traditional Medicine vs. Modern Medicine”

Thesis Statement: Traditional medicine emphasizes holistic and natural treatments based on centuries-old practices, while modern medicine focuses on scientific research and technological advancements, highlighting the strengths and limitations of each approach in addressing health issues.

5: Social Media

Topic: “Facebook vs. Instagram”

Thesis Statement: Facebook facilitates in-depth social interaction and a wide range of features for communication and information sharing, whereas Instagram focuses on visual content and a streamlined user experience, catering to different user preferences and social engagement styles.

Topic: “Traveling by Plane vs. Traveling by Train”

Thesis Statement: Traveling by plane offers speed and efficiency for long distances, while traveling by train provides scenic views and a more relaxed experience, highlighting the trade-offs between convenience and leisure in different modes of transportation.

7: Economics

Topic: “Capitalism vs. Socialism”

Thesis Statement: Capitalism promotes economic growth and individual entrepreneurship through market competition, whereas socialism emphasizes social welfare and equitable distribution of resources, reflecting contrasting ideologies on economic management and social equity.

8: Literature

Topic: “Shakespeare’s ‘Hamlet’ vs. Sophocles’ ‘Oedipus Rex'”

Thesis Statement: While Shakespeare’s ‘Hamlet’ delves into themes of indecision, revenge, and existential angst, Sophocles’ ‘Oedipus Rex’ explores fate, self-discovery, and the inevitability of destiny, illustrating different approaches to tragedy in Western literature.

9: Lifestyle

Topic: “Urban Living vs. Rural Living”

Thesis Statement: Urban living offers convenience, diverse cultural experiences, and numerous job opportunities, while rural living provides a peaceful environment, close-knit communities, and a connection to nature, demonstrating the contrasting lifestyles and priorities of each setting.

10: History

Topic: “The American Revolution vs. The French Revolution”

Thesis Statement: The American Revolution focused on independence from colonial rule and the establishment of a democratic republic, whereas the French Revolution aimed to overthrow the monarchy and address social inequalities, highlighting different motivations, outcomes, and impacts on world history.

More Thesis Samples & Examples:

1. thesis statements.

2. University Thesis Research

3. Working Thesis

4. Master Thesis

5. Basics About Thesis Statements

6. Thesis Sample

7. Thesis Format

8. Thesis PDF

9. Graduate Students Thesis

10. Thesis Example

Tips for Writing Your Thesis

Start Early

• Begin your thesis process early to allow ample time for research , writing , and revisions.

Choose a Relevant Topic

• Select a topic that interests you and has sufficient research material available. Ensure it is specific enough to be manageable but broad enough to find sources.

Develop a Strong Thesis Statement

• Craft a clear, concise thesis statement that outlines the main argument or focus of your paper. This will guide your research and writing.

Create an Outline

• Plan your thesis structure with a detailed outline. Include sections for the introduction, literature review, methodology, results, discussion, and conclusion.

Conduct Thorough Research

• Use a variety of sources, such as books, journal articles, and credible websites. Take detailed notes and organize your research to support your thesis statement.

Write in Stages

• Break down the writing process into manageable stages. Start with the introduction, move to the literature review, then the methodology, and so on.

Maintain Consistent Formatting

• Follow the required formatting style (e.g., APA, MLA, Chicago) consistently throughout your thesis. Pay attention to citation rules and references.

Seek Feedback

• Regularly consult with your advisor and seek feedback from peers. Incorporate their suggestions to improve your work.

Edit and Revise

• Set aside time for multiple rounds of editing and revising. Check for clarity, coherence, grammar, and spelling errors.

Stay Organized

• Keep all your research materials, notes, and drafts well-organized. Use tools like folders, labels, and reference management software.

Stay Motivated

• Set small, achievable goals and reward yourself for meeting them. Stay positive and remember that writing a thesis is a marathon, not a sprint.

Proofread Thoroughly

• Conduct a final proofread to catch any remaining errors. Consider using grammar checking tools or hiring a professional proofreader.

What to include in a Thesis

Writing a thesis involves several critical sections that contribute to the overall structure and argumentation of the research. Here’s a guide on what to include in a thesis:

1. Title Page

• Title: Clear, concise, and descriptive.
• Author’s Name
• Institutional Affiliation
• Date of Submission
• Advisor’s Name

2. Abstract

• Summary: Brief overview of the research.
• Key Points: Main objectives, methods, results, and conclusions.
• Word Limit: Typically 150-300 words.

3. Table of Contents

• Sections and Subsections: With corresponding page numbers.

4. List of Figures and Tables

• Figures/Tables: Numbered and titled with page numbers.

5. Introduction

• Background: Context of the study.
• Problem Statement: The issue being addressed.
• Objectives: What the research aims to achieve.
• Research Questions/Hypotheses: Specific questions or hypotheses the study will test.
• Significance: Importance of the study.

6. Literature Review

• Overview of Existing Research: Summarize previous studies.
• Theoretical Framework: The theories guiding the research.
• Gaps in Literature: Identify what has not been addressed.

7. Methodology

• Research Design: Type of study (e.g., qualitative, quantitative).
• Participants: Who was involved in the study.
• Data Collection: How data was gathered (e.g., surveys, experiments).
• Data Analysis: Methods used to analyze the data.
• Ethical Considerations: How ethical issues were handled.
• Findings: Present data and key results.
• Visuals: Use tables, graphs, and charts for clarity.
• Statistical Analysis: Include relevant statistical tests.

9. Discussion

• Interpretation of Results: What the findings mean.
• Comparison with Existing Literature: How results align or contrast with previous research.
• Implications: Practical or theoretical implications.
• Limitations: Discuss limitations of the study.
• Future Research: Suggestions for future studies.

10. Conclusion

• Summary of Findings: Recap main findings.
• Restate Importance: Reiterate the study’s significance.
• Final Thoughts: Concluding remarks.

11. References

• Citations: Complete list of all sources cited in the thesis.
• Formatting: Follow a specific citation style (e.g., APA, MLA).

12. Appendices

• Supplementary Material: Additional data, questionnaires, or detailed descriptions.

Thesis vs. Dissertation

How do I know if my Thesis is strong?

Clear and specific thesis statement.

• Precision : Your thesis statement should be clear, specific, and concise. It should articulate the main argument or focus of your thesis.
• Focus : Ensure it directly addresses the research question without being too broad or vague.

Well-Defined Research Question

• Relevance : The research question should be significant to your field of study.
• Feasibility : Make sure it is practical and manageable within the scope of your resources and time frame.

Comprehensive Literature Review

• Depth : Your literature review should cover relevant research and show an understanding of key theories and findings.
• Gaps Identification : Highlight gaps in the existing literature that your thesis aims to fill.

Solid Methodology

• Appropriateness : The chosen methodology should be suitable for answering your research question.
• Detail : Clearly describe your research design, data collection methods, and data analysis procedures.
• Justification : Explain why these methods are the best fit for your study.

Strong Evidence and Analysis

• Support : Provide ample evidence to support your thesis statement and arguments.
• Critical Analysis : Critically analyze the data, showing how it supports or contradicts your hypothesis.
• Consistency : Ensure that all evidence is consistently interpreted and integrated into your argument.

Coherent Structure

• Organization : The thesis should be well-organized with a logical flow of ideas.
• Clarity : Each section should clearly contribute to the overall argument.
• Transitions : Use smooth transitions between sections to maintain coherence.

Original Contribution

• Innovation : Your thesis should offer new insights or findings in your field.
• Significance : Highlight the importance and impact of your research.

Proper Formatting and Style

• Formatting : Follow the required formatting guidelines (APA, MLA, Chicago, etc.) consistently.
• Grammar and Spelling : Proofread your work to ensure it is free from grammatical and spelling errors.
• Citations : Properly cite all sources and provide a comprehensive reference list.

Feedback and Revision

• Advisor Feedback : Regularly seek feedback from your advisor and incorporate their suggestions.
• Peer Review : Get input from peers to identify areas for improvement.
• Multiple Revisions : Be prepared to revise your thesis multiple times to enhance its quality.

Self-Assessment

• Alignment : Ensure that all parts of the thesis align with the thesis statement.
• Completeness : Check that all required sections are included and thoroughly addressed.
• Confidence : Be confident in your arguments and the quality of your research.

How to Make a Thesis

Where do you often begin when you want to make a thesis? Many may say to begin by drafting, to begin by making an outline or to start at the introduction. A lot of these answers may even confuse you and may make you think that making a thesis is difficult or confusing. Stop right there, there are answers to every question, and to show you the  thesis statement writing tips .

Step 1: Make an Outline for the Thesis

Start out by making a  thesis outline . The outline will help you as it acts as the backbone of your entire thesis. Making outlines also help you by giving you a good view of what comes first, what should be added here and what should not be added. Outlining your thesis is often the best way to begin.

Step 2: Start with a Thesis Proposal for Your Thesis Paper

Once you have a blank outline for your thesis, which you will be filling out in order to know what goes first, the next thing to do is to pick a topic or pick a thesis proposal . This is an important part of making your thesis paper. Start with thinking about what kind of thesis proposal you want to talk about.

Step 3: Write Down the Introduction of Your Thesis

Thesis introduction has an important role to play. Its role in your thesis is to give a short summary of what can be expected in your thesis. The introduction of your thesis is all about the topic or the proposal of your thesis. When you write your thesis, make sure that the introduction should be clear and concise. After the introduction, the heart of your thesis will follow.

Step 4: Finalize Your Thesis Paper

Finalizing your thesis paper may take a lot of time and effort. But not to worry. It is always necessary and understandable that finalizing your thesis paper is important. As long as you are making sure that everything that is necessary, the introduction, the proposal, the thesis problem, solution and conclusion are present.

How do I choose a thesis topic?

Choose a topic that interests you, has ample research material, is specific enough to be manageable, and aligns with your academic goals.

How long should my thesis be?

Thesis length varies by discipline and degree level; Master’s theses are usually 50-100 pages, while PhD dissertations can be 100-300+ pages.

What is a thesis statement?

A thesis statement is a concise summary of the main point or claim of your thesis, guiding your research and writing.

How do I structure my thesis?

A typical thesis structure includes a title page, abstract, table of contents, introduction, literature review, methodology, results, discussion, conclusion, and references.

How important is the literature review?

The literature review is crucial as it contextualizes your research, highlights gaps, and demonstrates your understanding of existing scholarship.

What is the difference between a thesis and a dissertation?

A thesis is usually for a Master’s degree and demonstrates mastery of a topic, while a dissertation for a PhD contributes new knowledge to the field.

How do I manage my time effectively while writing my thesis?

Create a detailed timeline, break the process into manageable tasks, set deadlines, and regularly consult with your advisor.

How do I ensure my thesis is original?

Conduct thorough research, properly cite sources, use plagiarism detection tools, and contribute unique insights or findings to your field.

What should I do if I encounter writer’s block?

Take breaks, set small writing goals, change your environment, seek feedback, and stay connected with your advisor for guidance and support.

Text prompt

• Instructive
• Professional

10 Examples of Public speaking

20 Examples of Gas lighting

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