Dr. Smith believes that a decrease in frontal lobe function underlies the cognitive deficits seen in
schizophrenia. He has hypothesized that effective drug therapy serves to selectively increase metabolic
activity in this part of the brain.
Which of the following is Dr. Smith most likely to use to test his
hypothesis?
_
A) magnetic resonance imaging (MRI).
B) an electroencephalogram (EEG).
C) positron emission tomography (PET) scans.
D) computerized axial tomography (CAT) scans.
C
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Newer educational computer programs place
a. greater emphasis on rote memorization. b. less emphasis on rote memorization. c. less emphasis on immediate feedback about the correctness of a response to a question. d. less emphasis on higher-order thinking skills.
The high school dropout rate
A. was slightly higher in 2014 than in the 1990s. B. remains higher among males than females. C. for Native Americans is among the lowest, though data is hard to come by. D. among ethnic groups was lowest for non-Latino Whites in 2014.