If you have five people competing as one team in a tug-of-war contest, their combined effort level is likely to be
A. More than the sum of their individual abilities
B. Less than the sum of their individual abilities
C. The same as the sum of their individual abilities
D. The same for men, but different for women
B. Less than the sum of their individual abilities
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Weber's law suggests that
a. absolute threshold measurements underestimate true perceptual sensitivity. b. difference thresholds are a constant proportion of the original stimulus. c. difference thresholds are a constant quantity. d. difference thresholds decrease as stimuli increase. e. difference thresholds increase as stimuli decrease.
Which of the following is a possible consequence of sampling from a population?
A. Every sample from a population has a predetermined accuracy. B. Sampling error can be eliminated if we have large enough samples. C. Estimates from different samples from a population will differ. D. A single study can prove a hypothesis.
Easily accessible Internet sites and social network information may make available material not appropriate for children, such as
a. ways to engage in prosocial behaviors. c. sexually inexplicit material. b. information promoting hatred or bigotry. d. all of these
A(n) _____ statistically combines the results of many separate studies to create numerical representations of the effects of psychotherapy as tested across massive numbers of settings, therapists, and patients.
A. tripartite model B. meta-analysis C. effectiveness study D. outcome measure