Vanessa and Jenny take a reaction-time test. Vanessa's reaction time is 0.23 seconds, and Jenny's reaction time is 0.25 seconds. Suppose that the stopwatch the psychologist used only measured to a tenth of a second. The psychologist concludes that Vanessa and Jenny have equal reaction times of 0.2 seconds. As a measure of reaction time, the stopwatch lacks:
A) reliability.
B) validity.
C) power.
D) reactivity.
C) power.
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Which example best illustrates operant conditioning? a. A man gets nauseated when he smells the same kind of food that once caused him food poisoning. b. A man asks for a raise because, in the past, his requests have been successful
c. A woman has been frightened by thunderstorms all her life. d. A child watches a friend steal from a store, so he thinks he might steal sometime in the future.
Mirror neurons in a monkey's brain do NOT fire when the monkey:
A) learns despite awareness of intentionality. B) observes the intentional action of another monkey. C) observes the intentional action of a human. D) performs an intentional action.
?Damage to the amygdala may be correlated with
A. increased rage.
B. increased pleasure.
C. inability to perceive others' happiness.
D. inability to perceive others' fear or anger.
Of the following, which is an effect of malnutrition?
A) stunted growth B) higher intelligence C) better physical fitness D) better school performance