3 Questions
What is true about the size of a correlation?
It is a function of the variability of the two distributions to be correlated
What does a correlation between two variables indicate?
That changes in one variable are caused by changes in the other variable
What does restricting the range of scores to be correlated do?
Decrease the observed degree of relationship between two variables
Test your knowledge on correlation size, interpretation, and the impact of restricting the range of scores in correlation analysis.
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