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Messick, Samuel – Psychometrika, 1981
Bond criticized the base-free measure of change proposed by Tucker, Damarin, and Messick by pointing to an incorrect derivation which is here viewed instead as a correct derivation entailing an inadequately specified assumption. Bond's revision leads to negatively biased estimates, whereas the original approach leads to unbiased estimates.…
Descriptors: Algorithms, Change, Correlation, Mathematical Formulas