A measure of political conservatism was administered to representative samples of persons of ages ...

A measure of political conservatism was administered to representative samples of persons of ages 18, 21, 30, 45, and 60, and their respective mean scores were 65, 90, 85, 75, 70 . The correlation between age and political conservatism is

a. 1.0 c. linear.
b. 1.0 d. curvilinear.

Ques. 2

Statistical significance of a correlation tells us

a. whether it is useful in a practical situation.
b. whether it is useful for predicting a criterion.
c. how much variance the measures have in common.
d. how likely it is that the observed correlation is only a function of chance.

Ques. 3

The correlation between a predictor and a criterion is .84 . This means that the criterion has about ____ percent of its variance in common with the predictor.

a. 16 c. 70
b. 42 d. 84

Ques. 4

If a test is going to predict a criterion well, the correlation between the test and the criterion should be

a. around .00 to indicate no errors of estimate.
b. a large, positive coefficient of correlation.
c. either a large positive or large negative correlation.
d. a large, negative coefficient of correlation.

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A measure of political conservatism was administered to representative samples of persons of ages ...

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