The mean salary of a major league baseball player is $1,116,946, whereas the median salary is $481,250. The distribution of salary of major league baseball players is _____ .
a. negatively skewed
b. positively skewed
c. symmetrical
d. bimodal
B
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Research has found that infants as young as 2.5 months of age have a rudimentary form of object permanence. Why then, do they not actively search for hidden objects until 8 months of age?
a. Coordination of acts does not occur until 8 months. b. Children do not "look in order to see" until 8 months of age. c. 8-month-olds do not yet perform primary circular reactions. d. 8-month-olds lack the ability to assimilate.
Which of the following would be an example of a compulsion?
a. frequent hand washing b. intrusive thoughts about sexual acts c. persistent concern about air quality in one's workplace d. repeatedly envisioning a violent act against a specific family member
The case of HM is a documented case of a patient who could not form new long-term memories due to the removal of his _____ and parts of his temporal lobe.
A) hippocampus B) amygdala C) corpus callosum D) cerebellum
Which of the following is regarded as one of Freud’s valuable contributions to psychology?
a. ?the idea that adult behavior is influenced by childhood experiences b. ?his rigorous use of the scientific method c. ?his emphasis on developing objective measures of his constructs d. ?the idea that personality is associated with specific regions of the brain