Longitudinal Differential Item Functioning (Longitudinal DIF)
Longitudinal differential item functioning detects whether individual test or scale items behave differently across measurement occasions for the same respondents. It extends standard DIF methodology to repeated-measures designs, ensuring that observed change scores genuinely reflect construct change rather than shifts in item characteristics over time.
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Zdroje
- Millsap, R. E., & Kwok, O. M. (2004). Evaluating the impact of partial factorial measurement invariance on selection in two groups. Psychological Methods, 9(1), 93–115. DOI: 10.1037/1082-989X.9.1.93 ↗
- Vandenberg, R. J., & Lance, C. E. (2000). A review and synthesis of the measurement invariance literature: Suggestions, practices, and recommendations for organizational research. Organizational Research Methods, 3(1), 4–70. DOI: 10.1177/109442810031002 ↗
Ako citovať túto stránku
ScholarGate. (2026, June 3). Longitudinal Differential Item Functioning. ScholarGate. https://scholargate.app/sk/psychometrics/longitudinal-differential-item-functioning
Which method?
Set this method beside its closest kin and read them side by side — the library lays the books on the table; the choice is yours.
- Diferenciované fungovanie položky (DIF)Psychometria↔ compare
- Teória odozvy položky (IRT)Psychometria↔ compare
- Longitudinal Confirmatory Factor AnalysisPsychometria↔ compare
- Longitudinálna Teória Odpovedí na Položky (LIRT)Psychometria↔ compare
- Testovanie longitudinálnej indiferencie meraniaPsychometria↔ compare
- Testovanie mernej invarianciePsychometria↔ compare
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