In a depression-treatment study, neither the participants nor the researcher know who is taking medication and who is taking a sugar pill. This is an example of a
A) double-blind trial.
B) confound.
C) research design with low validity.
D) research design with low reliability.

Question

Quizplus · Accepted Answer

This study is an example of a double-blind trial because both the participants and the researcher are unaware of who is receiving the medication and who is receiving the placebo. This helps to eliminate bias and increase the validity of the study.

In a Depression-Treatment Study, Neither the Participants nor the Researcher