Chang is collectingdata on the number of hours people sleep. Over a period of two weeks, he gathers information about the number of daily hours of sleepof125 people at each of the following ages—15, 25, 35, 45, 55, 65, and 75 years—and searches for
any apparent differences. Which type of developmental research design is Chang using?
a) correlational
b) longitudinal
c) generational
d) cross-sectional
Answer: d
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The authors of your text express their strong belief that the choice of treatment should
a. be based on the therapist's years of experience. b. be determined by the client's problems. c. favor new experimental approaches. d. not be an issue, because almost anything works.
Neurons that respond to specific qualities of objects, such as orientation, movement, and length, are called
A. retinal cells. B. feature detectors. C. dendrites. D. receptors.
The Cannon-Bard theory of emotion differs from the James-Lange theory on the question of whether or not ____.?
a. ?anger and disgust are two separate emotions b. ?physiological arousal causes emotion c. ?emotion and motivation are two separate processes d. ?emotions can be learned
Nicola has an area on her arm that itches. That area itches because of _____.
A. bad circulation B. baby powder C. histamine release D. substance P release