A pretest-posttest design is a type of research design that is ______.

A. usually an experiment
B. where behavior is measured in different samples matched on specific characteristics
C. also known as between-subjects design
D. when a behavior is measured before and after a treatment


Answer: D

Psychology

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To teach a tiger to jump through a flaming hoop, the tiger is first reinforced for jumping up on a certain pedestal, then for leaping from that pedestal to another. Next, the tiger has to jump through a hoop between the pedestals to get the reward

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