According to the Yerkes-Dodson law, optimum performance for sensitive and complex tasks occurs at levels of arousal that are
a. higher than normal.
b. lower than normal.
c. moderate.
d. almost zero.
B
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Juan and Jacob participated in the longitudinal study by Bagwell, Newcomb, and Bukowski (1998) on friendships. At age 11, both Juan and Jacob identified one another as mutual friends. Juan and Jacob will likely __________.
A. have less stable family interactions in adulthood B. report about the same level of depression in adulthood as the 11-year-old group members without stable mutual friends C. be divorced more often as adults than the 11-year-old group members without stable mutual friends D. report high levels of self-esteem in early adulthood
One potential problem with extinction is
a. spontaneous remission. b. an ethical conflict. c. a slow effect. d. pseudoextinction.
Some designer drugs can kill neurons
a. True b. False Indicate whether the statement is true or false
The round window covers the a. auditory canal
b. vestibular canal. c. cochlear duct. d. tympanic canal.