Ethan took part in a research study in which he was awakened each time he entered slow-wave sleep for three consecutive nights. Now that Ethan is back at home, it is likely that he will
a. develop insomnia and show general disturbances in his sleep patterns.
b. spend extra time in slow-wave sleep for several nights.
c. spend less time in slow-wave sleep than he did before he took part in the study.
d. spend extra time in both slow-wave and REM sleep for several nights.
B
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Because chronic illnesses begin to appear during middle adulthood, the death rate during this period __________.
A. remains stable B. is about the same as that for young adults C. decreases D. increases
The conflict between the Hatfields and the McCoys is best explained in terms of
a. social identity processes. b. the discontinuity effect. c. ingroup-outgroup processes. d. negative reciprocity. e. stereotyping.
Which of the following is an experimental procedure used to study how attention affects the processing of competing stimuli?
a. Early selection b. Filtering c. Channeling d. Dichotic listening
Adolescents who engage in sexual activity are
A) no more or less likely than their peers to be psychologically maladjusted. B) likely to have higher levels of hormones than their non sexually active peers. C) likely to develop psychological problems after engaging in sex. D) likely to be psychologically disturbed.