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Direct linkCahan, Sorel; Gamliel, Eyal – Journal of Educational Measurement, 2006
Despite its intuitive appeal and popularity, Thorndike's constant ratio (CR) model for unbiased selection is inherently inconsistent in "n"-free selection. Satisfaction of the condition for unbiased selection, when formulated in terms of success/acceptance probabilities, usually precludes satisfaction by the converse probabilities of…
Descriptors: Probability, Bias, Mathematical Concepts, Mathematical Models
