One of the fundamental requirements of all true experiments is that the

different groups be

a. equivalent at the outset.
b. tested under at least three different conditions.
c. matched on several covariates.
d. none of these, since in the true experiment different groups can never be
used.

a

Psychology

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Your social psychology professor calls you up to the front of the classroom and asks you to answer a series of course-related questions out loud

Even though you feel the eyes of your classmates on you, you find the questions to be easy. According to the model of _____________, you should perform _____________ on these questions than you would have if you had been asked them in private, without an audience. a. social facilitation; worse b. social facilitation; better c. social loafing; worse d. social loafing; better

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