To estimate heritability in humans, what do investigators usually examine?
a. Cultural differences
b. Age differences
c. Twins and adopted children
d. Differences between humans and other species
c
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Defining an event as an "emergency" is a necessary prerequisite for
a. seeking the physical and psychological support of others. b. involving oneself in a helping process. c. an escalating cycle of aggression that occurs against strangers. d. a diffusion of responsibility.
Participants in a perceptual study are shown a green square, a blue circle, and a red triangle. Subsequently, which object would they be LEAST likely to report seeing?
A) a green circle B) a yellow triangle C) a red square D) a blue circle
In Erik Erikson's theory of lifespan development, an individual reaches the mature stage when he or she is about ________ years old.
A. 55 B. 65 C. 75 D. 85
In 1985, the FDA approved the sale of dronabinol (Marinol), which
A. is a cannabis antagonist. B. is an effective treatment for cannabis dependence. C. is a capsule containing THC. D. reduces appetite.