Ch 7: Principles of Research Methodology

About This Chapter

If you need to quickly review the principles of research methodology for an exam or work, check out this useful online chapter. These simple lessons and mini quizzes help you brush up on fundamental research concepts whenever you have free time.

Principles of Research Methodology - Chapter Summary

Access this chapter's lessons to refresh your understanding of basic research methodology principles. Through a series of short and informative lessons, you'll study different research designs, the purpose of research and common research techniques. Completing this chapter can help you:

  • Understand several research methodology techniques and approaches
  • Assess the purposes of exploratory, explanatory and descriptive research
  • Differentiate between quasi-experimental, correlational and case study research designs

If you want to check your understanding of these concepts, simply take the included lesson quizzes and multiple-choice chapter exam. The chapter's flexible online format helps you study whenever and wherever it's convenient. Finally, if you have any questions about the material, you can submit them to our instructors online at any time.

8 Lessons in Chapter 7: Principles of Research Methodology
Test your knowledge with a 30-question chapter practice test
Research Methodology: Approaches & Techniques

1. Research Methodology: Approaches & Techniques

A research method is a systematic plan for doing research. In this lesson, we'll look at the definition for a research method and examine the four most common research methods used.

Purposes of Research: Exploratory, Descriptive & Explanatory

2. Purposes of Research: Exploratory, Descriptive & Explanatory

There is a parallel between how people come to understand something and the process of researching an idea. This lesson explores the purposes of research as well as three approaches to research in psychology: exploratory, descriptive, and explanatory.

Research Designs: Quasi-Experimental, Case Studies & Correlational Research Designs

3. Research Designs: Quasi-Experimental, Case Studies & Correlational Research Designs

The true experiment is not the only way to conduct research. This lesson will help you understand the use of quasi-experimental research designs, case studies, and correlational research.

Formulating the Research Hypothesis and Null Hypothesis

4. Formulating the Research Hypothesis and Null Hypothesis

After figuring out what you want to study, what is the next step in designing a research experiment? You, the researcher, write a hypothesis and null hypothesis. This lesson explores the process and terminology used in writing a hypothesis and null hypothesis.

Research Variables: Dependent, Independent, Control, Extraneous & Moderator

5. Research Variables: Dependent, Independent, Control, Extraneous & Moderator

This lesson explores the terminology of experimental design. What are variables? How do they influence each other? Is it possible that you are seeing connections that don't actually exist?

Strategies for Choosing a Data Collection Technique

6. Strategies for Choosing a Data Collection Technique

After figuring out what you are going to study, you, as the researcher, will need to figure out how to study it. This lesson discusses popular ways a researcher can collect data as well as why a researcher would chose a particular data collection technique.

How to Interpret Correlations in Research Results

7. How to Interpret Correlations in Research Results

Perhaps the most common statistic you'll see from psychology is a correlation. Do you know how to correctly interpret correlations when you see them? This lesson covers everything you need to know.

Validity and Reliability: How to Assess the Quality of a Research Study

8. Validity and Reliability: How to Assess the Quality of a Research Study

Many psychologists and teachers complete research studies. How can you tell if a study was done well? This lesson will cover many criteria for a good quality study, including types of reliability and validity.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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