In a true experimental study, the control group is the group that does what?
a. Receives the experimental treatment
b. Receives the placebo treatment
c. Experiences the adverse results
d. Experiences the reactive effects
ANS: B
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A The group that receives the experimental treatment is the experimental group, not the control group.
B In true experimental research, the control group is the group that receives the usual or a placebo treatment, rather than the experimental one.
C The occurrence of adverse results is not confined to the control group and, in fact, is more likely in the treatment group.
D Reactive (Hawthorne) effects are the effects of being studied, which can occur in both experimental and control groups.
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