The Effect of Correlated Errors of Measurement on Correlations Among Tests: A Correlation for Spearman's Correction for Attenuation.

Williams, Richard H.

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Peer reviewed

ERIC Number: EJ110412

Record Type: CIJE

Publication Date: 1974

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The Effect of Correlated Errors of Measurement on Correlations Among Tests: A Correlation for Spearman's Correction for Attenuation

Williams, Richard H.

Journal of Experimental Education, 43, 2, 63-5, W 74

An equation comparable to Spearman's correction for attenuation, which does not depend upon the assumption that error scores are uncorrelated with true scores and with other sets of scores, is derived. (Editor)

Descriptors: Correlation, Error of Measurement, Statistical Analysis, True Scores

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