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| Solidna analiza pozycji testowych× | Eksploracyjna analiza czynnikowa (EFA)× | |
|---|---|---|
| Dziedzina≠ | Psychometria | Statystyka |
| Rodzina | Latent structure | Latent structure |
| Rok powstania≠ | 1980s–2000s | — |
| Twórca≠ | Robust methods tradition (Huber, Hampel, Tukey); applied to item analysis by Wilcox and colleagues | — |
| Typ≠ | Diagnostic / item-level evaluation | Latent variable / dimension reduction |
| Źródło pierwotne≠ | Wilcox, R. R. (2012). Introduction to Robust Estimation and Hypothesis Testing (3rd ed.). Academic Press. ISBN: 978-0123869838 | 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 ↗ |
| Inne nazwy | robust item statistics, outlier-resistant item analysis, robust classical item analysis | common factor analysis, açımlayıcı faktör analizi, factor analysis |
| Pokrewne≠ | 5 | 4 |
| Podsumowanie≠ | Robust item analysis applies outlier-resistant statistical methods to the evaluation of individual test or scale items. Instead of classical means and Pearson correlations — both sensitive to extreme scores — it uses trimmed means, Winsorized correlations, or M-estimators to obtain item difficulty and item-total discrimination indices that remain stable when respondent distributions are skewed or contaminated by outliers. | 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. |
| ScholarGateZbiór danych ↗ |
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