The growth effects of short-term malnutrition are identified by examining children's heights
a. before vs. after periods of famine, such as wars.
b. in cultures where short stature is strongly valued.
c. in rich successful families vs. impoverished families.
d. in chronically malnourished areas, as in rural Africa.
A
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As the over-80 population increases dramatically in the next 40 years, which will probably be most affected in the United States?
a. Defense systems b. Housing c. Social service systems d. Transportation systems
A researcher records how well children score on a health test designed to help the children do well. The percent of correct responses is recorded. What type of quasi-experimental research design is described in this example?
A. nonequivalent control group posttest-only design B. one-group posttest-only design C. one-group pretest-posttest design D. nonequivalent control group pretest-posttest design
A distribution where most scores are clustered on the "top" is an example of a(n) ______.
A. negative skew B. positive skew C. equal D. symmetrical
The James-Lange theory postulated that the emotional experience ______.
A. precedes the physiological arousal B. occurs concurrently with the physiological arousal C. results from the physiological arousal D. bears no relationship to the physiological arousal