Jack conducts a study on drinking habits among college students. Since there are too
many college students for him to directly observe all of them, he randomly selects a
group of 250 college students to represent all college students.
Jack's study finds
that 90 percent of college students drink regularly, and 10 percent of those who drink will
eventually become alcoholics. In this study, the 250 people that Jack actually observes
represent the research _______.
a. cluster c. population
b. set d. sample
D
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Ever since Tim was born he has displayed a negative response to new foods but eventually likes them. What temperament does Tim exhibit?
a) easy b) intense c) difficult d) slow-to-warm-up
What was the order of the groups' ratings of how interesting the experiment was,
from dullest to most interesting? (a) $1, $20, control (b) control, $20, $1 (c) $1, control, $20 (d) there were no differences due to the incentive, only due to dispositions