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The Structural Equation Modelling of Ordinal Data Using Dual Scaling.
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Местонахождение: Алматы | Состояние экземпляра: новый |
Бумажная
версия
версия
Автор: David Hemsworth
ISBN: 9783639708677
Год издания: 2014
Формат книги: 60×90/16 (145×215 мм)
Количество страниц: 240
Издательство: Scholars' Press
Цена: 45090 тг
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Аннотация: This research demonstrates that Dual Scaling (DS) is a valuable tool for optimally scaling ordinal variables in the calculation of correlation matrices for analysis in structural equation modelling (SEM). More specifically, it shows that there are circumstances where correlation estimates based on DS would be a more appropriate choice for use in SEM than the Pearson product moment, canonical, or polychoric correlation techniques. With respect to ordinal variables, the study demonstrates that the SEM application of canonical correlation is unacceptable, that the Pearson correlation generates attenuated parameter estimates, and that the application of the polychoric correlation to inappropriate data (e.g., non-normal or skewed) can lead to non-positive definite matrices of correlation estimates. It is hoped that this work will give researchers an additional tool to model ordinal data in SEM, especially when other techniques prove problematic.
Ключевые слова: SEM, Structural Equation Modeling, dual scaling, correspondence analysis, optimal scaling, ordinal variables
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