The Process of Research in Psychology
Third Edition
Learning Objectives
After reading Chapter 5, you will be able to:
- Explain what a variable is.
- List the different types of variables that researchers consider in their studies.
- Indicate which type of research method contains an independent variable, and why.
- Explain how reliability and validity affect the results of a study.
- Identify some factors that affect the validity of a study, and how can a researcher control these factors.