The null hypothesis describes the
a. sample statistic and the region of rejection.
b. sample statistic if a relationship does not exist in the sample.
c. population parameters represented by the sample data if the predicted relationship exists.
d. population parameters represented by the sample data if the predicted relationship does not exist.
D
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Approximately how many people who divorce will remarry again, usually within 2 to 5 years?
A. one-half B. two-thirds C. three-quarters D. one-quarter
Which of the following is an accurate definition of gender stability?
a. Recognizing that one's sex does not change, even if one's appearance changes b. One's knowledge that he or she is male or female c. Recognizing that people retain their genderfor a lifetime d. The internalization of the roles and expectations of one's gender
While changing her tire, Marguerite bumped the hubcap and all of the lug nuts fell into a storm sewer. After fretting for several minutes, she suddenly realized she could remove one lug nut from each of the other three tires to temporarily mount the spare until she could get to a service station. This is an example of
a. superstitious behavior. b. insight learning. c. spontaneous recovery. d. shaping. e. latent learning.
Which of the following statements about general adaptation syndrome is TRUE?
A. The fight-or-flight system works better in response to prolonged, repeated stressors than in response to temporary stressors. B. The more specific the stressor, the more unlikely adaptation will occur. C. Long-term exposure to stress bolsters our immune system. D. With prolonged exposure to stress, our bodies eventually wear out and break down.