You are watching a pigeon pecking a disk in a small chamber. There is a cumulative recorder connected to the disk. While you are watching, the pigeon is pecking at a slow, steady rate. Based on this information, you can predict that the line on the cumulative recorder will
a. have a steep, upward slope.
b. have a shallow, upward slope.
c. have a shallow, downward slope.
d. have a steep, downward slope.
B
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Many older people have hearing problems despite good hearing aids. What is one reason? a. They have trouble holding their heads in the best position for hearing. b. They become too nervous and pessimistic about their hearing
c. They often become drowsy while trying to listen. d. They have trouble filtering out the irrelevant sounds.
The proposition that immigrants and sojourners with characteristics that match their host cultures will adjust better than those with less match is called _____
a) cultural fit hypothesis b) contact hypothesis c) social orientation hypothesis d) Sapir-Whorf hypothesis
Concordance rates for obsessive compulsive disorder (OCD) among identical twins suggest that a. environmental factors do not play a role in the development of the disorder
b. genetic factors do not play a role in the development of the disorder. c. genetic factors play a minor role in the development of the disorder and interact with strong environmental factors. d. genetics play a strong role in the development of the disorder, but interact with environmental factors.
Experimenters can justify the use of deception because ________
a) there is informed consent b) research is more important than people c) it may be necessary for the experiment to work d) it is not that harmful