Pierre conducted a validation study, and he found that the test was only valid for French-speaking males. What kind of validity did he identify
A. between-group validity
B. single-group validity
C. differential validity
D. among-groups validity
Ans: B
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Which conclusion is most appropriate regarding the relationship between hostility and coronary heart disease?
a. ?Hostility causes coronary heart disease. b. ?Hostile individuals have greater risk of heart disease than nonhostile people. c. ?Coronary heart disease causes hostility. d. ?Biological predisposition causes hostility, which in turn causes coronary heart disease.
Which of the following organized interest groups is the largest in the United States?
NAACP NRA ACLU AARP
Major depression is to ____, as dysthymic disorder is to ____.?
a. ? less severe symptoms; more severe symptoms b. ?symptoms lasting at least two weeks; symptoms lasting two years or more c. ?unipolar; bipolar d. ?bipolar; unipolar
Answer the following statement(s) true (T) or false (F)
A cumulative proportion is the proportion of scores at or below a given value of a variable.