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	Inwariantność pomiaru w skróconych wersjach	Krótkofalowa Konfirmacyjna Analiza Czynnikowa (SF-CFA)
Dziedzina	Psychometria	Psychometria
Rodzina	Latent structure	Latent structure
Rok powstania	2000s	1990s–2000s
Twórca	Adapted from Vandenberg & Lance (2000) and Millsap & Kwok (2004) invariance framework applied to short-form scales	Building on CFA methodology (Jöreskog, 1969) applied to abbreviated scale contexts
Typ	Measurement equivalence testing	Confirmatory latent-variable model
Źródło pierwotne	Millsap, R. E., & Kwok, O. M. (2004). Evaluating the impact of partial factor loading and intercept invariance on selection in two populations. Psychological Methods, 9(1), 93–115.	Byrne, B. M. (2008). Structural Equation Modeling with EQS: Basic Concepts, Applications, and Programming (2nd ed.). Lawrence Erlbaum Associates. ISBN: 978-0805841268
Inne nazwy	SF-MI, abbreviated scale invariance, short-form factorial invariance, brief measure invariance	SF-CFA, abbreviated scale CFA, short-form validation, brief scale factor analysis
Pokrewne	6	4
Podsumowanie	Short form measurement invariance testing evaluates whether an abbreviated version of a psychological scale measures the same latent construct equivalently across groups or conditions. It applies the hierarchical multigroup confirmatory factor analysis invariance sequence — configural, metric, scalar, and strict — specifically to short-form instruments, ensuring that brevity does not introduce measurement bias when comparing subgroups.	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.