Previous Chapter Chapter 7: Validity Next Chapter

Kenneth Barron, Allison R. Brown, Theresa E. Egan, Christopher R. Gesualdi & Kimberly A. Marchuk

In: 21st Century Psychology: A Reference Handbook

Chapter 7: Validity

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Validity
Validity

If we had to identify one concept that we hope all psychology students would master after taking their coursework in research methodology, it would be validity. Put simply, validity represents accuracy, credibility, and soundness. It is derived from the Latin word validus, which means strength. When applied to psychology, validity provides a vital tool to judge the quality of our scientific evidence about psychological phenomena.

However, despite the important role that validity plays in psychology, it can be easy for new students to get lost in the different terms and jargon associated with it. Therefore, the purpose of our chapter is twofold. We begin with a class exercise that we use to introduce validity and its role in the scientific process. Then, we review the ...

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