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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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assumptions of classical true score model

What Are The Assumptions of the Classical True Score Model?

1) The mean of the error scores for a population of examinees is zero. 2) The correlation between true and error scores for a population of examinees is zero. 3) When examinees take two seperate tests and each examinee’s score on the two tests (or two testing occasions with the same form) are assumed to […]

arnold on Sep 17, 2008