Darley and Latané (1968) believe that the
presence of other people in a distressing situation decreased the likelihood that they would receive help due to ________.
a) diffusion of anonymity
b) diffusion of responsibility
c) flaws in laws protecting Good Samaritans
d) timeliness of onset
ANS: b
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Many of the structures relevant to psychopathology are in the____
a. midbrain b. hindbrain c. forebrain d. cerebral cortex
Which statement regarding the role of genes on human behavior is accurate?
a. In general, a single gene drives behavior and small differences in auxiliary genes modify that behavior. b. Typically, one to two particular genes drive specific patterns of human behavior. c. Small differences in a cluster of genes typically drive specific behaviors. d. Genes play a negligible role in driving human behavior.
Which infant reflex is correctly matched with its description?
a) Moro startle reflex; following a sudden drop in height, an infant extends its arms and legs and quickly brings them in b) grasping reflex; an infant turns its head toward something touching its cheek c) sucking reflex; an infant grips something placed in its hand d) rooting reflex; toes fan out and curl in when sole of foot is stroked
According to Hamilton's inequality (assuming everything else is equal) in which situation is Shawn most likely to help?
A. dropping his sister off at work B. lending his sister $50 C. taking vacation time to housesit for his sister D. buying a new refrigerator for his sister