Q
Subjects are said to be assigned randomly when:
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A
A. They are assigned to experimental and control group from a sample which is representative of the larger population
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B
B. They each have an equal chance of being assigned to either the experimental or control group
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C
C. They are assigned to experimental and control group so that the group differ on some critical variable before the experiment begins
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D
D. Neither the experimenter nor the subject knows whether the subject is in the experimental or control group
Correct Answer:
B. B. They each have an equal chance of being assigned to either the experimental or control group
