If the experimental design called for the respondents to be randomly assigned to one of three experimental groups and for one of three versions of a test commercial to be randomly administered to each group, this design would be using ________.

If the experimental design called for the respondents to be randomly assigned to one of three experimental groups and for one of three versions of a test commercial to be randomly administered to each group, this design would be using ________.



A) design control

B) statistical control

C) randomization

D) matching



Answer: C) randomization


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