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What instrument could the predictive validity of a metric

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Reference no: EM13308841

F90 posted a question Sep 18, 2014 at 12:58pm With what instrument could the predictive validity of a metric scale (a set of questions) best be determined?
A. Cronbach's alpha
B. A correlation-coefficient
C. Fishers r-to-z test.
D. With none of the above mentioned instruments

Reference no: EM13308841

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