Factor analysis is a statistical procedure used to:
a. derive IQ scores by comparing mental age with chronological age.
b. evaluate how accurately test items predict a criterion behavior.
c. extract test norms from a standardization sample.
d. identify clusters of closely related test items.
e. provide a quantitative estimate of heritability.
Ans: d. identify clusters of closely related test items.
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Which of the following is NOT associated with a decline in alcohol consumption?
A) Getting married B) Entering the work force C) Less socializing with peers D) Going to college
Life-cycle service in the U.S. faded during the 18th and 19th centuries because
a. individualism was on the rise. b. the plague killed most eligible workers. c. people were having fewer children. d. the economy became more industrialized.