When investigators think of generalizability, they typically think of extrapolating the results to other patient populations, depending on whether patients were selected for the study by means of ...

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 ...

This is a preview. Log in through your library . Abstract Methodological issues must be examined within the context of metatheoretical perspectives. More specifically, at the level of drawing ...

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 When properly implemented, Randomized Controlled Trials (RCT) achieve a high degree of internal validity. Yet, if an RCT is to inform policy, ...

The three-step process shown in Table 2 can be used to assess the validity of a study's findings and determine if they are relevant to readers' practices. The first step in establishing validity is to ...