Recent Issues Regarding rWG, r*WG, rWG(J), and r*WG(J)  

Oleh:

James, Lawrence R. ; LeBreton, James M. ; Lindell, Michael K.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Organizational Research Methods vol. 8 no. 1 (Jan. 2005), page 128-138.
Topik: Interrater Agreement; interrater agreement; interrater disagreement; spearman - brown; rWG
Fulltext: 128.pdf (118.98KB)

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: OO3.6 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

A recent article by lindell and brandt raised two concerns regarding the use of james, demaree, and wolf's interrater agreement indices rWG, and rWG(J). First, they noted that the multi - item rWG(J) equation is mathematically equivalent to inserting rWG into the spearman - brown prophecy formula and questioned whether applying a formula developed for a reliability index was also appropriate for an agreement index. Second, they questioned the appropriateness of james et al.'s suggestion of replacing obtained negative values of rWG with zeros. This article addresses these concerns by demonstrating that rWG(J) can be derived independently from the spearman - brown prophecy formula and that negative values of rWG can be avoided by reparametrizing the structural equation underlying the data when there is systematic disagreement between subgroups of raters.

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