Dr.Limmex is trying to get government approval for a new drug to treat anxiety.Dr.Limmex claims that 14 percent of the people who took this new drug reported reduced anxiety; however,other researchers claim that 14 percent of patients who receive no treatment also report reductions in their anxiety levels.What could explain patient improvement in Dr.Limmex's study
A) improper assignment to groups
B) non-representative sampling
C) placebo effects
D) self-report bias
Correct Answer:
Verified
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