Subjects Are Said to Be Assigned Randomly When

question 41

Multiple Choice

Subjects are said to be assigned randomly when

• A) they are selected to participate in an experiment from a sample which is representative of the larger population.
• B) they each have an equal chance of being assigned to either the experimental or control group.
• C) they are assigned to experimental and control groups so that the groups differ on some critical variable before the experiment begins.
• D) neither the experimenter nor the subject knows whether the subject is in the experimental or control group.

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