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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 ...

Ethnographic research, such as observing the setup of a catheter, often leads toideation. But it can also lead to significant device design. In 2001, William Reese and I wrote an article about the use ...

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 ...

Knowledge development has been continuously challenging. Qualitative research seems to be promising; however, there are difficulties and complexities involved, one of which is validity. Qualitative ...