30. In a research, if members of the control group are aware that they are being compared to the experimental group and behave
differently than they typically would to compensate for their perceived disadvantage, what kind of effect occurs?
(A) John Henry Effect.
(B) Hawthorne Effect.
(C) Placebo Effect.
(D) Experimenter Effect.
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統計: A(182), B(84), C(6), D(25), E(0) #3104438
統計: A(182), B(84), C(6), D(25), E(0) #3104438