The book The Bell Curve argues that the average 15-point difference between Caucasian Americans' and African Americans' IQ is primarily due to
a) high rates of poverty among African Americans.
b) the environment.
c) heredity.
d) lower employment among African Americans.
c
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In the wake of the recent BP oil spill disaster in the Gulf of Mexico, there has been an increase in reported cases of _________. Some researchers are finding that virtual reality exposure therapy has helped with the treatment of these problems
a) posttraumatic stress disorder b) major depression c) schizophrenia d) panic disorder
An action potential occurs at a specific amplitude for that neuron, regardless of the stimulus intensity or how much higher than threshold the stimulus is; this is known as the ______.
A. all-or-none law B. principle of mass action C. rate law D. law of equipotentiality
The independent variable in the Festinger and Carlsmith induced-compliance study was
a. what the experienced participants said to the new participants. b. whether the participants agreed to lie. c. whether the experienced participants thought the tasks were enjoyable. d. the amount of money paid to the participants for telling a lie. e. the amount of time that participants spent performing the boring tasks.
During what period of adulthood does vision and hearing both decline, although the decline is greater for ____?
a. young adulthood; vision b. young adulthood; hearing c. middle age; vision d. middle age; hearing