What percent of the population has an intelligence quotient below 100?
a. 75 percent
b. 50 percent
c. 35 percent
d. 10 percent
e. 5 percent
b. 50 percent
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A research psychologist wants to study people with a particular personality disorder. She places advertisements in newspapers that ask, "Are you adventurous? Do you lead an exciting, impulsive life? If you are the kind of person who'd do almost anything for a dare, send your name..." The researcher was interested in people with which personality disorder?
a. antisocial c. borderline b. schizotypal d. intermittent explosive
For at least the last two years, Sara has been experiencing mild depression which alternates with periods of her being cheerful and expansive, but also irritable. These changes in her mood appear to be reactions to external events, and she has never experienced a psychotic episode. Sara would most likely be diagnosed with a __________ disorder
a. major depressive b. bipolar c. cyclothymic d. dysthymic
Judy DeLoache found that three-year-olds were better than two-year-olds at using a scale model of a room to help locate a hidden toy in the real room. After conducting a memory test in which the children had to go back to the scale model to find the toy there, DeLoache concluded that
a. memory problems for the two-year-olds provided a sufficient explanation of her findings. b. the three-year-olds had better mental representational ability than the two-year-olds. c. the three-year-olds were better planners than the two-year-olds. d. the three-year-olds had longer attention spans than the two-year-olds.
The Coolidge effect refers to the fact that
A) rats often gorzalka after sex. B) a sexually-fatigued animal will often resume sexual activity if its current partner is replaced with a new one. C) the members of some species do not become sexually fatigued. D) male animals tend to become sexually fatigued. E) prolonged copulation is more difficult for males.