If a study has excellent internal validity and finds that an intervention is very effective, we can conclude that:
A) its conclusions will be applicable to our clients.
B) its sample is representative.
C) the intervention will be effective in our practice context.
D) All of the above.
E) None of the above.

Question

Quizplus · Accepted Answer

Internal validity indicates that the study's results are due to the intervention itself, not external factors, but it does not guarantee applicability to other contexts or populations.

If a Study Has Excellent Internal Validity and Finds That