Dr Swartz Is Trying to Win FDA Approval for a New

Multiple Choice

Dr Swartz is trying to win FDA approval for a new drug to treat anxiety. Dr Swartz claims that 14% of the people who took this new drug reported reduced anxiety; however other researchers claim that 14% of patients who receive no treatment also report reductions in their anxiety levels. It appears that the patients who improved after taking Dr Swartz's drug

A) had a self-report bias.
B) may have been experiencing placebo effects.
C) were a non-representative sample.
D) should have been placed in the control group, rather than the experimental group.