In everyday language, the term validity is typically used to describe something as being trustworthy or legit. It's meaning ...

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 ...

Routines in a data entry routine that test the input for correct and reasonable conditions, such as account numbers falling within a range, numeric data being all digits, dates having a valid month, ...