About This Chapter
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.
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.
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.
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.
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.
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?
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.
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.
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.
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