A correlation of +.90 is _________ times as strong as a correlation of +.30.
A)3
B)9
C)30
D)60

Name: A correlation of +.90 is _________ times as strong as a correlation of +.30. A)3 B)9 C)30 D)60
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Question

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The strength of a correlation is determined by the square of the correlation coefficient (r^2). Squaring +.90 gives 0.81 and squaring +.30 gives 0.09. 0.81 is 9 times 0.09, making the correlation of +.90 nine times as strong as a correlation of +.30.

A Correlation of