Reliability of Difference Scores for Mac

Name: Reliability of Difference Scores
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Author: Ed & Psych Associates

By Ed & Psych Associates
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By Ed & Psych Associates

Compute reliability of difference scores.

Computes the reliability of difference scores, given the reliability of two tests and the correlation between those two tests. The reliability of difference scores is a factor of (a) the correlation of the two tests used to calculate the difference score, and (b) the correlation between the two tests used to calculate the difference score.