If a placebo is used, researchers assume that differences in group performance are not due to:
A) experimenter expectancies about the experiment
B) differences in the personal characteristics of subjects in each group
C) subject expectancies about the experiment
D) the environmental conditions that are intentionally manipulated in the experiment
Correct Answer:
Verified
Q202: The technique that ensures each participant has
Q203: Random assignment:
A)eliminates differences among people
B)ensures research participants
Q204: Random assignment to either the control or
Q205: Jennifer wants to design a good experiment
Q206: Which type of study would control for
Q208: Donald received a poor grade on his
Q209: The main advantage of a single-blind research
Q210: An inactive or inert substance that appears
Q211: An experiment that does not allow for
Q212: A placebo is:
A)an active drug that is
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