A Procedure for Estimation of Trait, Method, and Error Variance Attributable to a Measure.

Boruch, Robert F.; Wolins, Leroy

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ERIC Number: EJ026023

Record Type: CIJE

Publication Date: 1970

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A Procedure for Estimation of Trait, Method, and Error Variance Attributable to a Measure

Boruch, Robert F.; Wolins, Leroy

Educ Psychol Meas, 30, 3, 547-74, Aut '70

If one is given three or more methods of measuring three or more traits, the procedure described allows one to assess the extent to which the observation is influenced by the method and the extent to which individual differences contribute to the observations, independent of the particular method-trait combination. The procedure is illustrated. (DG)

Descriptors: Analysis of Variance, Correlation, Evaluation Methods, Factor Analysis, Goodness of Fit, Individual Characteristics, Mathematical Models, Measurement Instruments, Statistical Analysis

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