Cited by 381Psychometric Methodologies and TestingStatistical Methods and Bayesian InferenceAdvanced Statistical Methods and Models

Relative Performance of Categorical Diagonally Weighted Least Squares and Robust Maximum Likelihood Estimation

Bandalos, Deborah L.·2014·Structural Equation Modeling: A Multidisciplinary Journal

Abstract

Robust maximum likelihood (ML) and categorical diagonally weighted least squares (cat-DWLS) estimation have both been proposed for use with categorized and nonnormally distributed data. This study compares results from the 2 methods in terms of parameter estimate and standard error bias, power, and Type I error control, with unadjusted ML and WLS estimation methods included for purposes of comparison. Conditions manipulated include model misspecification, level of asymmetry, level and categorization, sample size, and type and size of the model. Results indicate that cat-DWLS estimation method results in the least parameter estimate and standard error bias under the majority of conditions studied. Cat-DWLS parameter estimates and standard errors were generally the least affected by model misspecification of the estimation methods studied. Robust ML also performed well, yielding relatively unbiased parameter estimates and standard errors. However, both cat-DWLS and robust ML resulted in low power under conditions of high data asymmetry, small sample sizes, and mild model misspecification. For more optimal conditions, power for these estimators was adequate.

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Crossref · 10.1080/10705511.2014.859510

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Authors
Bandalos, D. L.
Affiliations
James Madison University (US)
Corresponding author
Bandalos, Deborah L.
Venue
Structural Equation Modeling: A Multidisciplinary Journal
Published
2014-01-02
Volume
21
Issue
1
Pages
102-116
ISSN
  • 1070-5511 (ISSN-L)
  • 1532-8007
OpenAlex
W2085399079
Cited by
381
References
25
Citations by year
2026: 43 · 2025: 54 · 2024: 53 · 2023: 53 · 2022: 44 · 2021: 33 · 2020: 40 · 2019: 20 · 2018: 19 · 2017: 13 · 2016: 5 · 2015: 3 · 2014: 1
FWCI
9.24
Type
journal article
Language
en
Open access
closed
Locations
Structural Equation Modeling A Multidisciplinary Journal (publishedVersion)
Topics
  • Social Sciences › Decision Sciences › Management Science and Operations Research › Psychometric Methodologies and Testing
  • Physical Sciences › Mathematics › Statistics and Probability › Statistical Methods and Bayesian Inference
  • Physical Sciences › Mathematics › Statistics and Probability › Advanced Statistical Methods and Models
Keywords
categorical data, non-normal data, standard error bias, statistical power, type I error control, model misspecification, data asymmetry, sample size effects, weighted least squares

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