Alcohol, caffeine, and nicotine would be classified as
a. narcotics.
b. stimulants.
c. depressants.
d. psychoactive drugs.
D
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Dr. Kent is a psychoanalyst who believes that our underlying and sometimes unconscious motivations reveal themselves in our personality. Dr. Kent probably uses _____ to measure personality.
A) projective tests B) self-report tests C) personality inventories D) structured interviews
Carlos, a graduate student in psychology, is recording the number of wrong turns that rats make in trying to navigate a maze. He observes five rats and finds that they make 2, 3, 3, 6, and 1 errors, respectively. Carlos calculates the mean, median, and mode for the number of errors. Which sequence below gives the correct mean, median, and mode for Carlos’ data?
A. Mean = 5, Median = 3, Mode = 3 B. Mean = 3, Median = 3, Mode = 3 C. Mean = 3, Median = 6, Mode = 3 D. Mean = 5, Median = 1, Mode = 3 E. Mean = 3, Median = 3.5, Mode = 3
The sense of smell is adaptive in that
a. it aids in the location of food. b. it allows us to detect decaying food. c. it signals sexual receptivity in some mammals. d. smell can mark the boundaries of a territory. e. All of the above are correct.
The __________ of a sound stimulus is to frequency as __________ is to complexity of a sound stimulus.
A. loudness; pitch B. timbre; loudness C. pitch; timbre D. timbre; pitch