The paired t-test
a. is used for randomized groups designs
b. is less powerful than the randomized t-test
c. is used to analyze within-subjects designs
d. tests differences between pairs of participants
e. requires that two t-tests be conducted
C
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In one study, prisoners who were found to have an internal locus of control retained
a. less information about the conditions of their parole; they simply trusted that it would happen. b. more information about the conditions of their parole, as they felt they could have some influence over the process. c. less information about their trial and incarceration as they were found to have lower IQs than prisoners with external locus of control. d. more information about their trial and incarceration as they were found to have higher IQs than prisoners with external locus of control.
Health psychology is best defined as the
a. study of the ways in which cognitive and behavioral principles can be used to prevent illness and promote health. b. use of psychological principles and research methods to solve practical problems. c. study of how individuals behave, think, and feel in the presence, actual or implied, of others. d. study of behavioral factors in medicine, physical illness, and medical treatment.