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Do Interrater Correlations Estimate the Reliability of Job Performance Ratings?

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assumptions of classical true score model

Do Interrater Correlations Estimate the Reliability of Job Performance Ratings?

It depends on who you ask. Some Researchers would say yes. They argue that correlations between ratings provided by multiple raters provide the “correct” estimates of the reliability of job performance ratings (Schmidt & Hunter, 1996; Viswesvaran et al., 1996). However, Murphy and De Shon (2000) provide an interesting insight into why this may not […]

arnold on Oct 09, 2008

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coefficient of equivalence

What is Reliability in terms of classical test theory?

Explain reliability in terms of classical test theory: Nunnally (1967) defined reliability as “the extent to which [measurements] are repeatable and that any random influence which tends to make measurements different from occasion to occasion is a source of measurement error” (p. 206). There are many factors can prevent measurements from being repeated perfectly. Crocker […]

arnold on Sep 28, 2008