According to theories that employ the concept of reaction range, the upper limits of an individual's intellectual potential are
a. determined during the first year of life.
b. set by heredity.
c. determined by environmental experiences.
d. subject to modification until puberty.
B
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In functional fixedness,
a. if an object has one particular function, we realize that the object can also be used in other capacities. b. we realize that a problem can be solved most efficiently by the hill-climbing heuristic. c. we rely too heavily on bottom-up processing. d. we assign a particular use to an object, and that use tends to remain stable.
In studies relating homicide to alcohol use,
A. there is no statistical relationship between drinking and homicide. B. about half of all murderers and about half of all homicide victims had been drinking. C. murderers were likely to have been drinking, but their victims were not. D. victims were likely to have been drinking, but the murderers were not.