Standardized Conditional SEM: A Case for Conditional Reliability  

Oleh:

Raju, Nambury S. ; Price, Larry R. ; Oshima, T.C. ; Nering, Michael L.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Applied Psychological Measurement vol. 31 no. 3 (May 2007), page 169-180.
Topik: conditional standard error of measurement; conditional reliability; classical test theory; item response theory
Fulltext: 169.pdf (124.81KB)

Isi artikel

An examinee-level (or conditional) reliability is proposed for use in both classical test theory (CTT) and item response theory (IRT). The well-known group-level reliability is shown to be the average of conditional reliabilities of examinees in a group or a population. This relationship is similar to the known relationship between the square of the conditional standard error of measurement (SEM) and the square of the group-level SEM. The proposed conditional reliability is illustrated with an empirical data set in the CTT and IRT frameworks.

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