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Chapter 13: Practice Questions
Five suggested answers or completions are followed by each of the questions or incomplete statements.
Pick the one that is the best.
lab partners assigned to research who is friendlier, girls or boys After talking to their first 10 participants, they found that their ratings for politeness differed a lot.
Professor Ma wants to study the emotional response to date rape.
He advertises for participants in the school newspaper, informs them about the nature of the study, gets their consent, conducts an interview, and debriefs them after the experiment is over.
A mean of 100 and a standard deviation of 15 were the values of the IQ test scored by Lily.
Everyone else fails the test, but Emma scores a perfect 100.
Jose thinks that a new drug he has invented will improve mice's memories.
He gives a placebo to the experimental group.
The mice are learning to run through a maze.
The three classes were assigned to an experimental condition.
A computer creates a random list of high school students.
Approaching any students during lunch.
Vincenzo wants to see if fear makes mice run faster.
He divided the 60 mice into two groups, the control group and the experimental group.
According to a nursery school student, boys have fights with the finger paints more than girls do.
She looked at the finger-painting table for three days at nursery school.
Survey data shows that students who spend more time preparing for the AP test score better on the test.
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