There is a distinction that one learns about on the first day of a course in psychological research methods. It is the difference between internal and external validity. Internal validity is ...

For research psychologists, shyness as a theoretical construct is something that underlies and explains a wide range of thoughts, feelings, physical states, and behaviors. A shyness test with ...

In everyday language, the term validity is typically used to describe something as being trustworthy or legit. It's meaning in psychology suggests something similar—it's all about whether we can trust ...