השוואת שיטות
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| ניתוח גורמים מאשר (אישורי) סודר (Ordinal Confirmatory Factor Analysis)× | ניתוח גורמים גישוש (EFA)× | |
|---|---|---|
| תחום≠ | פסיכומטריה | סטטיסטיקה |
| משפחה | Latent structure | Latent structure |
| שנת המקור≠ | 1984 | — |
| הוגה השיטה≠ | Bengt O. Muthén | — |
| סוג≠ | Latent variable / structural | Latent variable / dimension reduction |
| מקור מכונן≠ | Flora, D. B. & Curran, P. J. (2004). An empirical evaluation of alternative methods of estimation for confirmatory factor analysis with ordinal data. Psychological Methods, 9(4), 466–491. DOI ↗ | Fabrigar, L. R., Wegener, D. T., MacCallum, R. C. & Strahan, E. J. (1999). Evaluating the use of exploratory factor analysis in psychological research. Psychological Methods, 4(3), 272–299. DOI ↗ |
| כינויים≠ | CFA for ordinal data, polychoric CFA, WLSMV CFA, categorical CFA | common factor analysis, açımlayıcı faktör analizi, factor analysis |
| קשורות≠ | 5 | 4 |
| תקציר≠ | Ordinal confirmatory factor analysis (Ordinal CFA) tests a pre-specified factor structure when the observed indicators are ordinal — typically Likert-type survey items. By using polychoric correlations and robust estimators such as WLSMV, it avoids the bias that arises from treating categorical responses as continuous. | Exploratory factor analysis reduces a large set of observed variables into a smaller number of latent common factors. It is widely used in scale development and psychometrics to uncover the dimensional structure that underlies a set of correlated items, without specifying that structure in advance. |
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