Administering a test to a group of individuals, readministering that same test to the same group at a later time, and correlating test scores at times 1 and 2 demonstrates which method of estimating reliability?
a) test-retest method
b) alternate forms method
c) split-half method
d) internal consistency method
A
Psychology
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When polled, _____________ 18- to 29-year-olds believe that a happy marriage is an important ingredient to a good life
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One formula for the correlation between two dichotomous variables is
a. Spearman's rank order formula. b. the point biserial correlation. c. the phi coefficient. d. the biserial correlation.
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