Signal detection theory assumes that ________
a. a person's ability to detect a stimulus depends only on the stimulus.
b. people will always be biased toward thinking the stimulus was not there, even if it was.
c. a person's response depends on the stimulus and on a decision about it.
d. people will always be biased toward thinking the stimulus was there, even if it wasn't.
Answer: c
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Long, slow waves on an EEG indicate what about a sleeping person?
a. Synchronized neuronal responses and overall low brain activity b. Synchronized neuronal responses and overall high brain activity c. Desynchronized neuronal responses and overall low brain activity d. Desynchronized neuronal responses and overall high brain activity
Researchers used beepers to signal adolescents and adults at various times to assess their emotional states. They found that, compared to adults, young people between the ages of 13 and 18 tend to experience
a. more stable moods than adults. b. more intense moods than adults. c. less intense moods than adults. d. similar emotional experiences to adults.
In a well-known study conducted by Rosenthal and Jacobson (1968), schoolteachers were told that certain of their students—who were in fact chosen by the researchers at random—were "intellectual bloomers" and had tremendous academic potential. When these students were tested at the end of the year, it was found that their IQ scores had indeed significantly increased (presumably as a result of
the special attention and treatment they had received from their teachers). This research most clearly demonstrates ____. a. the self-serving bias b. the discontinuity effect c. scapegoating d. the self-fulfilling prophecy
Suppose that you hear about a man who has retrograde amnesia. What kind of memory task will he find most difficult?
task will he find most difficult? a. working-memory tasks b. remembering events that happened before his brain injury c. remembering visual information about events that happened after his brain injury d. remembering verbal information about events that happened after his brain injury