Which negative consequence of using phencyclidine is most likely?
a. violent psychotic behavior c. AIDS
b. emphysema and lung cancer d. total tranquility and passivity
A
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The authors of this study proposed that providing greater personal control in old age _____.
A. can help ward off mental decline and senility. B. will make family care of the elderly more challenging. C. is important to psychological health in old age if the control is focused on major life decisions. D. will require a complete overhaul of our current elder-care practices.
Why might newborns possess an imitation reflex?
a. It contributes to caregiver-infant bonding. b. It helps ensure survival of the newborn. c. It may be due to "mirror neurons" in the human brain. d. all of these
The maximum capacity of long-term memory is
(a) seven items (give or take) (b) dependent on rehearsal (c) practically unlimited (d) twenty-one items (e) individually defined
Professor Villanueva has developed a new form of therapy that he believes reduces anxiety. He bases his claim on the fact that 63 percent of the people who go through his program show little to no anxiety after treatment
Why might a scientist be skeptical of his claim? a. There is no control group to compare to the people in his program. b. He lacks a well-developed hypothesis. c. Over 30 percent of the people did not improve. d. The professor conducted an experiment when he should have done a laboratory observation.