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Rasch-modellen — Et-parameter logistisk IRT

Rasch-modellen, introduceret af Georg Rasch i 1960, er det simpleste medlem af Item Response Theory (IRT)-familien. Den tildeler en enkelt sværhedsgradsparameter til hvert testelement og placerer både elementernes sværhedsgrader og personers færdigheder på den samme logit-skala, hvilket muliggør direkte, stikprøveuafhængig sammenligning af elementer og personer.

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Kilder

  1. Rasch, G. (1960). Probabilistic Models for Some Intelligence and Attainment Tests. Danish Institute for Educational Research, Copenhagen. link
  2. Bond, T. G. & Fox, C. M. (2015). Applying the Rasch Model: Fundamental Measurement in the Human Sciences (3rd ed.). Routledge. ISBN: 978-0-415-83342-1

Sådan citerer du denne side

ScholarGate. (2026, June 1). Rasch Model (One-Parameter Logistic Item Response Theory). ScholarGate. https://scholargate.app/da/psychometrics/rasch-model

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ScholarGateRasch Model (Rasch Model (One-Parameter Logistic Item Response Theory)). Hentet 2026-06-15 fra https://scholargate.app/da/psychometrics/rasch-model · Datasæt: https://doi.org/10.5281/zenodo.20539026