Scientists across all fields make various types of claims about their innovations. Validity tests check whether they deliver ...

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 ...

The following discussion is based on the framework of Campbell and Stanley, [1] in that specific threats to establishing a cause-and-effect relationship (i.e., internal validity) are associated 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 ...

This is a preview. Log in through your library . Abstract The purpose of the study was to investigate relationships between student ratings of college teaching using four types of student rating ...

This is a preview. Log in through your library . Abstract Objective: To assess the cross-sectional construct validity of the RAND-12 and the Health Utilities Index Mark 2 (HUI2) and Mark 3 (HUI3) in ...