Which research strategy is correctly matched with the type of validity it is aimed at minimizing?
A) using a double-blind design--internal validity
B) replicating a study--internal validity
C) using a representative sample--internal validity
D) using a placebo--external validity

Question

Quizplus · Accepted Answer

Using a double-blind design helps to minimize threats to internal validity by ensuring that neither the participants nor the experimenters are aware of who is receiving the treatment. This reduces bias and ensures that any effects observed are due to the treatment itself rather than other factors.

Which Research Strategy Is Correctly Matched with the Type of Validity