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Conducting Tetrad Tests of Model Fit and Contrasts of Tetrad-Nested Models: A New SAS Macro.

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Bibliographic Details
Title: Conducting Tetrad Tests of Model Fit and Contrasts of Tetrad-Nested Models: A New SAS Macro.
Authors: Hipp, John R.1 johnhipp@email.unc.edu, Bauer, Daniel J.2, Bollen, Kenneth A.1
Source: Structural Equation Modeling. 2005, Vol. 12 Issue 1, p76-93. 18p.
Subjects: Macro instructions (Electronic computers), Macroprogramming, Mathematical models, Mathematics, Simulation methods & models, Computer simulation
Abstract: This article describes a SAS macro to assess model fit of structural equation models by employing a test of the model-implied vanishing tends. Use of this test has been limited in the past, in pan due to the lack of software that fully automates the test in a user-friendly way. The current SM macro provides a straightforward method for researchers to use the vanishing tetrads implied by models to assess the fit of (a) structural equation models containing continuous endogenous variables; (b) structural equation models containing continuous endogenous variables nested for vanishing tends: and (c) structural equation models containing dichotomous, ordinal, or censored endogenous variables. Resides providing an alternative assessment of model fit to the usual likelihood-ratio test (LRT), the vanishing tetrads test occasionally provides a statistical assessment of competing models nested for vanishing tetrads but not nested for the LRT. The macro permits formal comparisons between tetrad-nested structural equation models containing dichotomous, ordinal, or censored endogenous variables. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
Description
Abstract:This article describes a SAS macro to assess model fit of structural equation models by employing a test of the model-implied vanishing tends. Use of this test has been limited in the past, in pan due to the lack of software that fully automates the test in a user-friendly way. The current SM macro provides a straightforward method for researchers to use the vanishing tetrads implied by models to assess the fit of (a) structural equation models containing continuous endogenous variables; (b) structural equation models containing continuous endogenous variables nested for vanishing tends: and (c) structural equation models containing dichotomous, ordinal, or censored endogenous variables. Resides providing an alternative assessment of model fit to the usual likelihood-ratio test (LRT), the vanishing tetrads test occasionally provides a statistical assessment of competing models nested for vanishing tetrads but not nested for the LRT. The macro permits formal comparisons between tetrad-nested structural equation models containing dichotomous, ordinal, or censored endogenous variables. [ABSTRACT FROM AUTHOR]
ISSN:10705511
DOI:10.1207/s15328007sem1201_4