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Comparing standardized coefficients in structural equation modeling: a model reparameterization approach.

Joyce L Y Kwan1, Wai Chan

  • 1Department of Psychology, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong.

Behavior Research Methods
|April 23, 2011
PubMed
Summary
This summary is machine-generated.

This study introduces a novel two-stage method for comparing standardized coefficients in structural equation modeling (SEM). The approach simplifies statistical inference for standardized coefficients, offering a more accessible alternative for researchers.

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Area of Science:

  • Statistics
  • Quantitative Psychology
  • Econometrics

Background:

  • Comparing standardized coefficients in structural equation modeling (SEM) is crucial for understanding the relative strength of relationships.
  • Existing methods often require specialized software features or complex constraint specifications.

Purpose of the Study:

  • To propose a flexible and widely applicable two-stage method for comparing standardized coefficients in SEM.
  • To provide a user-friendly approach that does not rely on specific software functionalities.

Main Methods:

  • A two-stage process involving model reparameterization to obtain the standardized model.
  • Imposing linear equality constraints on the standardized model followed by a likelihood ratio test.

Main Results:

  • The proposed method successfully transforms original SEM parameters into equivalent standardized parameters.
  • It allows for simultaneous comparison of two or more standardized coefficients in a straightforward manner.
  • Demonstrated satisfactory performance in testing the equality of standardized coefficients through real-world examples.

Conclusions:

  • The developed method offers a practical and generalizable approach for standardized coefficient comparison in SEM.
  • It overcomes limitations of existing techniques, enhancing accessibility for researchers across disciplines.