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| Phân tích nhân tố khẳng định (CFA)× | Phân tích nhân tố khẳng định (Confirmatory Factor Analysis - CFA)× | Phân tích Cronbach's Alpha (Độ tin cậy)× | |
|---|---|---|---|
| Lĩnh vực≠ | Thống kê | Trắc lượng tâm lý | Thống kê |
| Họ | Latent structure | Latent structure | Latent structure |
| Năm ra đời≠ | 1969 | 1969 | 1951 |
| Người khởi xướng≠ | Karl Jöreskog | Karl Gustav Jöreskog | Lee J. Cronbach |
| Loại≠ | Confirmatory latent variable model | Hypothesis-testing latent variable model | Reliability / internal consistency coefficient |
| Công trình gốc≠ | Brown, T. A. (2015). Confirmatory Factor Analysis for Applied Research (2nd ed.). The Guilford Press. ISBN: 978-1462515363 | Jöreskog, K. G. (1969). A general approach to confirmatory maximum likelihood factor analysis. Psychometrika, 34(2), 183–202. DOI ↗ | Cronbach, L. J. (1951). Coefficient alpha and the internal structure of tests. Psychometrika, 16(3), 297–334. DOI ↗ |
| Tên gọi khác≠ | Doğrulayıcı Faktör Analizi (CFA), confirmatory factor analysis, measurement model | CFA, confirmatory FA, measurement model, restricted factor analysis | coefficient alpha, alpha reliability, internal consistency reliability, Güvenilirlik Analizi (Cronbach Alpha) |
| Liên quan | 4 | 4 | 4 |
| Tóm tắt≠ | Confirmatory factor analysis tests whether a researcher-specified factor structure fits the observed data. Formalised by Karl Jöreskog in 1969, it is the measurement-model step within structural equation modelling and is the standard tool for validating the factorial structure of scales and questionnaires before comparing groups or estimating latent relationships. | Confirmatory factor analysis tests a researcher-specified factor structure against observed data. Unlike exploratory approaches, the researcher decides in advance which indicators load on which latent factor, and the model is evaluated by how closely the implied covariance matrix reproduces the sample covariance matrix. CFA is central to scale validation, construct validity assessment, and measurement invariance testing. | Cronbach's alpha is a coefficient of internal consistency that quantifies the degree to which a set of items on a scale measures the same underlying construct. Introduced by Lee J. Cronbach in 1951, it remains the most widely reported reliability index in social-science, health, and educational research. |
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