The reason for including a placebo group in a drug study is to control for:
A) experimenter bias.
B) physiological effects of the drug.
C) participants' expectations of change.
D) the experimenter being blind.
Correct Answer:
Verified
Q26: Research participants' performance may be altered as
Q27: You are discussing a study that is
Q28: The placebo effect is:
A) purely psychological in
Q29: A scientist can subtly influence the outcome
Q30: Participant biases may be introduced into an
Q32: To control for the Hawthorne effect, you
Q33: Which of the following is not a
Q34: When participants in an experiment behave in
Q35: The cases of Cyril Burt and Walter
Q36: The Hawthorne effect is so named because:
A)
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