Extensive testing of the effects of amphetamines has concluded that they
A. do not really improve athletic performances.
B. can improve performances by a few percentage points.
C. actually make people perform more poorly.
D. enhance total work output by 30 percent or more.
B
Psychology
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In 1997 the members of the Heaven's Gate cult in San Diego, California, ingested a combination of cyanide and arsenic. All 39 of these individuals died together in the same house. This would be an example of:
a) parasuicide. b) culticide. c) subintentional death. d) rational suicide.
Psychology
Concrete operations permit children to understand
A) their own metacognitions. B) language. C) person perception. D) relations among objects.
Psychology