The correlation between a person's score on a standard intelligence test and his or her academic performance is roughly _____ across a wide range of people and situations.
A)r = .3
B)r = .5
C)r = .7
D)r = .9

Question

Quizplus · Accepted Answer

The correlation between a person's score on a standard intelligence test and his or her academic performance is roughly r = .5 across a wide range of people and situations. This indicates a moderate positive relationship, suggesting that higher intelligence test scores are generally associated with better academic performance, but the correlation is not so high as to suggest that intelligence test scores predict academic performance perfectly.

The Correlation Between a Person's Score on a Standard Intelligence