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.
|File Size||2.93 MB|
|Operating System||Macintosh Mac OS X 10.4 Mac OS X 10.5 Mac OS X 10.6|
|System Requirements||OS X|