Reliability of Difference Scores download

"A stand-alone Windows program" calculates the difference score reliability
indir.biz Editor: Two test reliability and the correlation between these two test calculates the reliability of this difference score itself is a Windows program.

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difference score another test score is obtained by subtracting a test score. For example, a student's IQ Test score and reading test score. This is interpreted as the difference between talent and success can be.

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Difference score was calculated that her test results, to some extent, such as unreliable. His own reliability tests used in calculating the reliability function and a correlation between scores as per the two tests used to calculate: will be Rd = (.5 (Rxx + Ryy) - Rxy) ÷ 1 - Rxy. Now you can make the difference scores 2.1 download free reliability.