In a double-blind experiment, which of the following is true?
a. the subjects are not told th...
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Biology, 01.09.2019 18:10 njimenez1231
In a double-blind experiment, which of the following is true?
a. the subjects are not told the purpose of the experiment.
b. the experiments are conducted in a specially darkened and soundproof room to eliminate the influence of chance environmental variables.
c. the experimenter does not know which subjects are in the treatment group.
d. neither the subjects nor the experimenter know who is in the treatment group.
e. each experimental subject is assigned to exactly two blocks.
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