The technique for assuring that subjects in the experimental and control groups are
as similar as possible, even on attributes that the experimenter has not even thought of, is
(a) random assignment of subjects to groups
(b) random sampling of subjects
(c) assigning subjects to groups in turn, so that the first subject who shows up
is put in one group, the second into the other, etc.
(d) sampling of situations
A
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Which statement best describes effective treatment of sleep disorders?
a. Sleep medications are the most effective short- and long-term treatment for sleep disorders. b. Sleep medications can be used for long periods of time to treat severe sleep disorders. c. Cognitive-behavioral techniques are as effective as sleep medication in treating insomnia in the short term, but not in the long run. d. Cognitive-behavioral techniques are as effective as sleep medication in treating insomnia, and they are more effective in the long run. e. Unknown; researchers have yet to investigate and identify the best methods for treating sleep disorders.
Diego's house was almost completely destroyed by fire last week. As he walked through the charred remains with the insurance adjuster, Diego joked and said: "It's too bad that the only thing that wasn't destroyed is that ugly paining that my brother-in-law gave me for my last birthday.". In this stressful situation, Diego's joking attitude reflects:
a. cognitive reappraisal b. posttraumatic stress syndrome c. catastrophizing d. general adaptation syndrome
What has been demonstrated by studies on flow and culture?
A. Chinese students in Hong Kong preferred skill level to be higher than challenge level. B. Students in Western cultures preferred an equal skill and challenge level. C. Japanese students were more like students from the United States in skill and challenge level preferences. D. Eastern students did not show a preference toward the amount of skill or challenge involved.
Cognitive psychologists are concerned with the scientific study of ______
a. psychosocial development b. observable behaviors c. mental processes d. self-actualization