The Comparison of Single Item Constructs by Relative Mean and Relative Variance  

Oleh:

Wai-Yin, Poon ; Kwok Leung ; Sik-Yum, Lee

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Organizational Research Methods vol. 5 no. 3 (2002), page 275-298.
Topik: Modeled variance; studies; statistical analysis; models; organizational behaviour
Fulltext: 275.pdf (170.24KB)

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Perpustakaan Pusat (Semanggi) Nomor Panggil: OO3.3 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

This article discusses the use of an approach advocated int he psychmetrcis and statistic literature for analyzing square contingency tables with ordered and comparable categories. Assuming that observed ordinal cateforical variables are manifestations of underlying continuous varibales, a model is formulated to compare the variables by studying the relative location and the relative dispersion of the underlying continuous variables. The formulation, itnerpretation and analysis of the model are discussed, and the implementation of the proposed procedure using easily accessible software is addressed. The proposed approach is then compared with a widely adopted simple method that treat the ordinal measures as if they were interval scales. Analyses of real data and simulation results show that the simple method can be misleading and that the proposed approach is preferable in detecting variable differences.

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