Alcohol differs significantly from barbiturates in terms of
a. the potential level of physical dependence
b. the ability to depress CNS functions
c. its sedative effects
d. none of these
d
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Helmholtz's work included the first systematic experimental demonstration of the sensory threshold
a. True b. False
The positive effects of Sesame Street viewing ___________________.
Fill in the blank(s) with the appropriate word(s).
Individual differences in the initial sensitivity to a drug's effects are thought to be determined by __________
a. classical conditioning b. expectancies c. genetics d. none of these
Anastasia replaced all the 60-watt light bulbs in her house with 40-watt light bulbs. She claims that the 40-watt bulbs give off the same amount of light, and yet her husband Boris claims that the 40-watt bulbs give off far less light. Based on research conducted by psychophysicists, you should conclude that compared to Anastasia, Boris has:
a. a higher adaptation level for light b. a lower absolute threshold for light c. a lower difference threshold for light d. a higher absolute threshold for light