Participants in most research studies differ from the general population by several characteristics including age and intelligence.As a result of these differences
A) most studies completely lack external validity
B) most studies completely lack internal validity
C) researchers should only provide qualified generalizations to the general population
D) researchers should only provide qualified statements of causality

Question

Quizplus · Accepted Answer

While it is true that participants in research studies may differ from the general population based on various characteristics, it does not necessarily mean that studies completely lack internal or external validity, and it is not always necessary to qualify statements of causality. However, researchers should provide qualified generalizations when making conclusions about the general population based on their sample.

Participants in Most Research Studies Differ from the General Population