A two-factor research study is used to evaluate the effectiveness of a new blood-pressure medication. In this two-factor study, Factor A is medication versus no medication and factor B is male versus female. The medicine is expected to reduce blood pressure for both males and females, but it is expected to have a much greater effect for males. What pattern of results should be obtained if the
medication works as predicted?
a. A significant main effect for factor A (medication)
b. A significant interaction
c. A significant main effect for factor A and a significant interaction
d. None of these
C
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Which of the following statements about attitudes regarding marriage in the United States today is true?
A) A majority of American adults agree that marriage is becoming obsolete. B) More than half of high-SES emerging adults say they never want to get married. C) Irrespective of SES and ethnicity, most U.S. 18- to 23-year-olds say they want to marry and have children. D) Marriage is not a central life goal for more than two-thirds of low-SES emerging adults.
Some therapists believe telecounseling __________.
A. should not replace traditional services, and should not be offered as an alternative for care B. should replace traditional services, so a broader population can be reached C. should not replace traditional services, but that it may supplement traditional mental health care D. should replace traditional services, as face-to-face sessions have no added benefit
A child who is a model of behavior when his parents are present, but who becomes uncontrollable when the babysitter arrives, is demonstrating
a. operant stimulus discrimination. b. the power of delayed reinforcement. c. classical conditioning. d. operant stimulus generalization.
Administration of a GnRH antagonist to human males is most likely to cause
a. a loss of tactile sensitivity. b. a decrease in sexual interest and intercourse after two weeks of treatment. c. a loss of erections during REM sleep, but no change in sex drive. d. no change in sexual activity because the adrenals also secrete testosterone. e. increased secretion of testosterone.