An empirical evaluation of alternative methods of estimation for confirmatory factor analysis with ordinal data.
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ABSTRACT:
SUBMITTER: Flora DB
PROVIDER: S-EPMC3153362 | biostudies-literature | 2004 Dec
REPOSITORIES: biostudies-literature
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An empirical evaluation of alternative methods of estimation for confirmatory factor analysis with ordinal data.
Flora David B DB Curran Patrick J PJ
Psychological methods 20041201 4
Confirmatory factor analysis (CFA) is widely used for examining hypothesized relations among ordinal variables (e.g., Likert-type items). A theoretically appropriate method fits the CFA model to polychoric correlations using either weighted least squares (WLS) or robust WLS. Importantly, this approach assumes that a continuous, normal latent process determines each observed variable. The extent to which violations of this assumption undermine CFA estimation is not well-known. In this article, th ...[more]
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