The largest and most complex part of the human brain is the
a. medulla.
b. cerebrum.
c. cerebellum.
d. limbic system.
B
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A threat to internal validity in which extreme scores, upon retesting, tend to be less extreme is called:
a. a time-series confound. b. a single-group effect. c. regression to the mean. d. none of the alternatives is correct.
Robert Sternberg (1998) has argued that abilities reflect developing expertise. The important implication of this is that
a. the development of expertise should be correlated with chronological age. b. abilities, like expertise, can be taught. c. the development of expertise should be correlated with mental age. d. mental age in a particular domain is best estimated by experts in that domain.
Darwin hypothesized that populations of organisms, rather than individuals, change by selective breeding with other organisms possessing some apparent advantage. This is known as
A) natural selection. B) behavioral adaptation. C) brain evolution. D) behavioral genetics.
Which of the following statements is true concerning the relationship between brain size and intelligence?
A) The higher the brain volume is, the higher the intelligence test scores. B) Higher brain volume causes higher intelligence test scores. C) The higher the brain volume is, the lower the intelligence test scores. D) Higher brain volume is unrelated to intelligence test scores.