Confirmatory Factor Analysis of Ordinal Variables: A Simulation Study Comparing the Main Estimation Methods
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| Formato: | Artículo científico |
| Lenguaje: | en |
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Universidad del Rosario
2018
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| _version_ | 1876470639442788352 |
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| author | Francisco Pablo Holgado-Tello |
| author_facet | Francisco Pablo Holgado-Tello |
| contents | Confirmatory Factor Analysis of Ordinal Variables: A Simulation Study Comparing the Main Estimation Methods Francisco Pablo Holgado-Tello María Ángeles Morata-Ramírez María Isabel Barbero García Psicología power Likert type scales Type I error estimation methods In order to obtain evidences about construct validity through Confirmatory Factor Analysis, it has been usual treating Likert-type scales as if they were continuous variables measured on an interval scale. Therefore, Maximum Likelihood estimation method has been broadly applied, but in turn it implies problems concerning both Pearson correlations and skewness in the distribution of responses to items. In this simulation study we analyse —through χ2, Type I error, and power— correctly specified and misspecified models comparing five estimation methods (Maximum Likelihood —ML—, Robust Maximum Likelihood —RML—, Weighted Least Squares —WLS—, Unweighted Least Squares —ULS— and Robust Unweighted Least Squares —RULS—) in relation to the models features: number of factors, number of response categories, items’ skewness, and sample size. We advise using RULS estimation method, in which polychoric correlations are implied. 2018 artículo científico 1794-4724 https://www.redalyc.org/articulo.oa?id=79957069012 https://www.redalyc.org/journal/799/79957069012/ https://www.redalyc.org/journal/799/79957069012/html/ https://www.redalyc.org/journal/799/79957069012/79957069012.epub https://www.redalyc.org/journal/799/79957069012/movil https://doi.org/10.12804/revistas.urosario.edu.co/apl/a.4932 en http://www.redalyc.org/revista.oa?id=799 Avances en Psicología Latinoamericana application/pdf Universidad del Rosario Avances en Psicología Latinoamericana (Colombia) Num.3 Vol.36 |
| format | Artículo científico |
| id | redalyc_79957069012 |
| institution | Redalyc |
| language | en |
| publishDate | 2018 |
| publisher | Universidad del Rosario |
| spellingShingle | Confirmatory Factor Analysis of Ordinal Variables: A Simulation Study Comparing the Main Estimation Methods Francisco Pablo Holgado-Tello Psicología power Likert type scales Type I error estimation methods Confirmatory Factor Analysis of Ordinal Variables: A Simulation Study Comparing the Main Estimation Methods Francisco Pablo Holgado-Tello María Ángeles Morata-Ramírez María Isabel Barbero García Psicología power Likert type scales Type I error estimation methods In order to obtain evidences about construct validity through Confirmatory Factor Analysis, it has been usual treating Likert-type scales as if they were continuous variables measured on an interval scale. Therefore, Maximum Likelihood estimation method has been broadly applied, but in turn it implies problems concerning both Pearson correlations and skewness in the distribution of responses to items. In this simulation study we analyse —through χ2, Type I error, and power— correctly specified and misspecified models comparing five estimation methods (Maximum Likelihood —ML—, Robust Maximum Likelihood —RML—, Weighted Least Squares —WLS—, Unweighted Least Squares —ULS— and Robust Unweighted Least Squares —RULS—) in relation to the models features: number of factors, number of response categories, items’ skewness, and sample size. We advise using RULS estimation method, in which polychoric correlations are implied. 2018 artículo científico 1794-4724 https://www.redalyc.org/articulo.oa?id=79957069012 https://www.redalyc.org/journal/799/79957069012/ https://www.redalyc.org/journal/799/79957069012/html/ https://www.redalyc.org/journal/799/79957069012/79957069012.epub https://www.redalyc.org/journal/799/79957069012/movil https://doi.org/10.12804/revistas.urosario.edu.co/apl/a.4932 en http://www.redalyc.org/revista.oa?id=799 Avances en Psicología Latinoamericana application/pdf Universidad del Rosario Avances en Psicología Latinoamericana (Colombia) Num.3 Vol.36 |
| title | Confirmatory Factor Analysis of Ordinal Variables: A Simulation Study Comparing the Main Estimation Methods |
| topic | Psicología power Likert type scales Type I error estimation methods |
| url | https://www.redalyc.org/articulo.oa?id=79957069012 https://www.redalyc.org/journal/799/79957069012/ https://www.redalyc.org/journal/799/79957069012/html/ https://www.redalyc.org/journal/799/79957069012/79957069012.epub https://www.redalyc.org/journal/799/79957069012/movil https://doi.org/10.12804/revistas.urosario.edu.co/apl/a.4932 |