“Statistical conclusion validity,” in part, concerns the question of whether the observed relationship is statistically significant, that is, whether or not the data provide a basis for rejecting the ...

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 ...

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 ...

It is difficult for the non-expert to evaluate a piece of research. Often, such appraisals are based on misleading heuristics, such as catchy titles, endorsements by well-known figures, or wishful ...