As the intensity or brightness of light increases, the absolute size of the jnd for the
perception of brightness
a. becomes smaller.
b. becomes larger.
c. stays about the same.
d. first becomes larger and then becomes smaller.
e. first becomes smaller and then becomes larger.
b. becomes larger.
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Incorrectly estimating that the odds of two uncertain events happening together are greater than the odds of either event happening alone is known as the
a. conjunction fallacy. b. alternative outcome effect. c. gambler's fallacy. d. base rate fallacy.
The 15-point IQ gains that have occurred in 14 nations in the last 30 years reflect the influence of all of the following EXCEPT
a. genetics. b. improved education. c. improved nutrition. d. living in a technologically complex society.
The reformulated learned helplessness theory focuses on:
A. the impact of family as a factor in maladaptive cognitions. B. causal attributions or an explanation of why an event happened. C. maladaptive behaviors and their impact on depression. D. behavioral components, such as reinforcement and punishment.
What percentage of Americans favors the teaching of comprehensive sexual education in high schools?
a. about a third b. about half c. about two-thirds d. over 85%