Three of the following are techniques for strengthening the external validity of a study.Which one is NOT?
A)Conduct the study in a real-life setting.
B)Assure that you have a representative sample.
C)Replicate the study under a variety of relevant conditions.
D)Allow flexibility in procedures and instruments.

Question

Quizplus · Accepted Answer

All of the other choices (A, B, and C) are techniques for strengthening external validity. Allowing flexibility in procedures and instruments can actually decrease external validity as it may introduce too many variables and make it difficult to compare the results to other studies or generalize to broader populations.

Three of the Following Are Techniques for Strengthening the External