The performance of ML, DWLS, and ULS estimation with robust corrections in structural equation models with ordinal variables

• Published in: Psychological methods Vol. 21; no. 3; p. 369
• Main Author: Li, Cheng-Hsien
• Format: Journal Article
• Language: English
• Published: United States 01.09.2016
• Subjects: Humans; Least-Squares Analysis; Likelihood Functions; Models, Theoretical; Monte Carlo Method; Sample Size

Three estimation methods with robust corrections-maximum likelihood (ML) using the sample covariance matrix, unweighted least squares (ULS) using a polychoric correlation matrix, and diagonally weighted least squares (DWLS) using a polychoric correlation matrix-have been proposed in the literature,...