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What is the difference between the true score and the observed score? What is the difference between the true score and the observed score? reliable

What is the difference between the true score and the observed score? What is the difference between the true score and the observed score? reliable score critical score expected score error score______ validity is determined by the association between the test scores and some specified present or future criterion. ______ validity is determined by the association between the test scores and some specified present or future criterion. Criterion-based Content-based Internal consistency Construct-based

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