Using Mixed - Effects Models in Reliability Generalization Studies  

Oleh:

Beretvas, S. Natasha ; Pastor, Dena A.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Educational and Psychological Measurement vol. 63 no. 1 (2003), page 75-95.
Topik: reliability; reliability generalization studies; mixed - effects models; beck depression inventory
Fulltext: 75.pdf (133.47KB)

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: EE30.9 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Traditionally, reliability generalization (RG) studies have used some form of the regression model to summarize score reliability of a measure across samples and examine conditions under which the reliability varies. Often times, the assumptions underlying the use of multiple regression are not satisfied in RG studies. This article describes how the assumptions have been violated and introduces a more sophisicated technique, mixed effects modeling, that can overcome many of the shortcomings of traditional approaches. A non technical introduction of mixed - effects models in the context of RG studies is provided along with an example using internal consistency reliability coefficients from the back depression inventory that compares results under the mixed - versus the fixed effects models.

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