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| Lý thuyết Đáp ứng Mục (Ordinal IRT)× | Phân tích nhân tố khẳng định (Confirmatory Factor Analysis - CFA)× | |
|---|---|---|
| Lĩnh vực | Trắc lượng tâm lý | Trắc lượng tâm lý |
| Họ | Latent structure | Latent structure |
| Năm ra đời | 1969 | 1969 |
| Người khởi xướng≠ | Fumiko Samejima (Graded Response Model, 1969); Gerhard Fischer & Georg Rasch lineage for partial credit | Karl Gustav Jöreskog |
| Loại≠ | Probabilistic latent trait model for ordered polytomous responses | Hypothesis-testing latent variable model |
| Công trình gốc≠ | Samejima, F. (1969). Estimation of latent ability using a response pattern of graded scores. Psychometrika Monograph Supplement, 34(4, Pt. 2), 1–97. link ↗ | Jöreskog, K. G. (1969). A general approach to confirmatory maximum likelihood factor analysis. Psychometrika, 34(2), 183–202. DOI ↗ |
| Tên gọi khác | polytomous IRT, ordinal IRT models, graded response models, ordinal latent trait models | CFA, confirmatory FA, measurement model, restricted factor analysis |
| Liên quan≠ | 6 | 4 |
| Tóm tắt≠ | Ordinal item response theory (ordinal IRT) comprises a family of probabilistic models — most notably the Graded Response Model and the Partial Credit Model — that relate a respondent's standing on a latent trait to the probability of choosing each ordered response category on a polytomous item. It extends classical IRT beyond dichotomous items to the Likert-type and rating-scale items that dominate psychometric measurement. | 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. |
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