Melinda conducts a study in which some participants receive an antidepressant, others receive a sugar pill that they think is an antidepressant, and the rest receive nothing at all. She finds that both the antidepressant group and the sugar pill group report being less depressed than the control group. Melinda has conducted a(n) _____________ study and the results for the sugar pill group are likely due to a ____________ effect.
A) repeated measures; placebo
B) repeated measures; sugar
C) independent groups; placebo
D) independent groups; sugar

Question

Quizplus · Accepted Answer

Melinda conducted an independent groups study, as participants were divided into separate groups. The sugar pill group's results are likely due to a placebo effect, where participants experience improvements due to their belief in the treatment rather than the treatment itself.

Melinda Conducts a Study in Which Some Participants Receive an Antidepressant