Methoden vergelijken
Bekijk de geselecteerde methoden naast elkaar; rijen die verschillen zijn gemarkeerd.
| Short-Form Differential Item Functioning (Short-Form DIF)× | Short-Form Confirmatory Factor Analysis (SF-CFA)× | |
|---|---|---|
| Vakgebied | Psychometrie | Psychometrie |
| Familie | Latent structure | Latent structure |
| Jaar van ontstaan≠ | 1970s–1990s (DIF); short-form context developed in parallel with scale abbreviation literature | 1990s–2000s |
| Grondlegger≠ | Angoff, W. H. and subsequent DIF methodologists | Building on CFA methodology (Jöreskog, 1969) applied to abbreviated scale contexts |
| Type≠ | Item bias / measurement fairness analysis | Confirmatory latent-variable model |
| Oorspronkelijke bron≠ | Millsap, R. E. (2012). Statistical Approaches to Measurement Invariance. Routledge. ISBN: 978-0-8058-4507-0 | Byrne, B. M. (2008). Structural Equation Modeling with EQS: Basic Concepts, Applications, and Programming (2nd ed.). Lawrence Erlbaum Associates. ISBN: 978-0805841268 |
| Aliassen | Short-form DIF, abbreviated scale DIF, DIF in short forms, short-scale DIF detection | SF-CFA, abbreviated scale CFA, short-form validation, brief scale factor analysis |
| Verwant≠ | 6 | 4 |
| Samenvatting≠ | Short-form differential item functioning (DIF) analysis examines whether individual items in an abbreviated scale function equivalently across demographic or subgroup comparisons. When a scale is shortened, retained items must still behave fairly for all relevant groups — DIF analysis verifies this, ensuring that score differences reflect true ability or trait differences rather than item bias. | Short-form confirmatory factor analysis applies CFA to a reduced subset of items drawn from a longer validated scale, testing whether the abbreviated version preserves the original factor structure with acceptable model fit and reliability. It is a standard step in short-form scale development and validation. |
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