When the assumptions behind parametric tests are not met,
a. they are not useful tests.
b. they cannot even be computed.
c. distribution-free tests may have more power.
d. none of the above
C
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Chun-Sun is going to kindergarten and is very shy. She acts very inhibited and does not play much with the other kids. Her teachers encourage her parents to be patient and to wait to see how things go over the first month of school, even though they are tempted to withdrawn Chun-Sun from the class. After a couple of weeks she begins to play with other kids and the rest of the school year proceeds with no problems, as all of the kids play together as friends. Based on what we know about temperament, she most likely was a(n) __________ baby when she was younger.
A. easy B. slow-to-warm-up C. difficult D. ambivalent
Longitudinal research can identify common patterns as well as individual differences in development because the investigator
A) randomly assigns participants to treatment conditions. B) tracks the performance of each person over time. C) studies groups of participants differing in age at the same point in time. D) conducts quasi-experiments, comparing conditions that already exist.
A baby is considered low birth weight if it weighs less than how many pounds?
A) 5 B) 6 C) 7 D) 8
While Freud used free association, Rogers used
A) play therapy. B) reflection of feelings. C) role playing. D) All of the above