In a study examining the effects of stress (stress group vs. no stress group) on memory performance, __________ is the independent variable and __________ is the dependent variable.
A. stress vs. no stress; memory performance
B. memory performance; stress vs. no stress
C. stress group 1; stress group 2
D. stress group 2; stress group 1
E. number of groups; items correctly recalled
A. stress vs. no stress; memory performance
Psychology
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In operant conditioning, a(n) __________ increases the occurrence of a response.
A. neutral stimulus B. conditioned stimulus C. reinforcer D. unconditioned stimulus
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