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| Omega McDonald mạnh mẽ× | Phân tích nhân tố xác nhận mạnh mẽ× | |
|---|---|---|
| Lĩnh vực≠ | Trắc lượng tâm lý | Thống kê |
| Họ | Latent structure | Latent structure |
| Năm ra đời≠ | 1999 (omega); robust variant formalized in 2000s–2010s | 1984–1994 |
| Người khởi xướng≠ | Roderick P. McDonald (omega); robust extension via robust SEM estimators (MLR, DWLS) | Satorra & Bentler (robust SE/chi-square corrections); Browne (ADF estimator) |
| Loại≠ | Reliability coefficient | Confirmatory latent variable model with robust estimation |
| Công trình gốc≠ | McDonald, R. P. (1999). Test theory: A unified treatment. Lawrence Erlbaum Associates. ISBN: 978-0805830408 | Satorra, A. & Bentler, P. M. (1994). Corrections to test statistics and standard errors in covariance structure analysis. In A. von Eye & C. C. Clogg (Eds.), Latent variables analysis: Applications for developmental research (pp. 399–419). Sage. link ↗ |
| Tên gọi khác | robust omega, omega total (robust), robust omega-total, robust composite reliability | Robust CFA, CFA with robust standard errors, Satorra-Bentler CFA, non-normal CFA |
| Liên quan≠ | 4 | 6 |
| Tóm tắt≠ | Robust McDonald's omega estimates the internal consistency reliability of a composite scale using factor-analytic loadings obtained through robust estimation methods (such as MLR or DWLS). Unlike standard omega or Cronbach's alpha, it remains accurate when item distributions are non-normal, skewed, or when the sample contains influential outliers — conditions common in applied psychological and educational measurement. | Robust confirmatory factor analysis fits a pre-specified factor structure to observed data while correcting standard errors and goodness-of-fit statistics for violations of multivariate normality. It is the preferred variant of CFA whenever Likert-type, skewed, or kurtotic indicators make the classical normal-theory estimator unreliable. |
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