Which represents the strongest correlation?
a. +.97 c. +.09
b. -.90 d. -.99
D
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People are more likely to solve problems and come up with innovative ideas when they are
a. extrinsically motivated. b. intrinsically motivated. c. given salary bonuses. d. threatened with job loss.
During amniocentesis,:
a. a biopsy is taken from the pregnant mother's spine. b. fluid is tested from the "sac" containing the fetus. c. the father's sperm is tested for genetic abnormalities. d. the mother's eggs are tested for genetic abnormalities.
As part of her master’s thesis work, Amy is conducting a survey of dating attitudes and behaviors among young adults. She first distributes questionnaires to 200 randomly selected students enrolled in introductory psychology courses at her university. The 200 students constitute Amy's ______. The people to whom she assumes her results will generalize are termed the ______.
a. control group; sample b. experimental group; population c. population; sample d. sample; population
At about what age do children begin to prefer rule-governed or formal games?
A) By age two B) By age three or four C) By age five or six D) From nine to twelve years of age