Which of the following threats to internal validity is controlled in the nonequivalent control group design?
A. testing.
B. additive effect of selection and testing.
C. additive effect of selection and history.
D. differential regression.
A. testing.
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Which of the following is an example of using vicarious reinforcement?
a. An advertisement for a medicine that explains both the benefits and the risks b. An advertisement for a politician that emphasizes the faults of his/her opponent c. An advertisement for the lottery, showing happy winners d. An advertisement for a movie that shows a few typical scenes
The findings of a study of chimpanzees by King and Figueredo (1997) and other studies involving orangutans and chimpanzees suggest that _____ is an inherited trait among animals
a) hostility b) attention c) sociability d) dominance
Kerr and his colleagues, in their studies of the Köhler effect, find that
a. individuals who discover they are the most inferior member of the group will expend greater effort to improve their performance. b. the productivity of the group declines as the group increases in size. c. when groups discover some of their members are incompetent, the more competent members work harder to make up for the weaker members. d. groups will remove the “weakest link” from their group to improve performance. e. the truth-wins rule usually applies.
________ occurs when newly learned information prevents the retrieval of previously stored, similar information
a. Implicit amnesia b. Retroactive interference c. Proactive interference d. Suppression e. Explicit amnesia