Many-Facet Rasch Measurement
Many-facet Rasch measurement (MFRM) extends the basic Rasch model to assessments mediated by raters. Beyond examinee ability and item difficulty, it adds explicit parameters for rater severity and for any other facet of the rating situation — task, occasion, rating criterion — placing them all on one common logit scale. Developed by John Michael Linacre, MFRM lets analysts estimate and adjust for the fact that some raters are systematically harsh and others lenient, producing 'fair' ability estimates that do not penalize an examinee for happening to draw a severe judge.
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Sources
- Linacre, J. M. (1989). Many-Facet Rasch Measurement. MESA Press. ISBN: 9780941938020
- Engelhard, G., & Wind, S. A. (2018). Invariant Measurement with Raters and Rating Scales: Rasch Models for Rater-Mediated Assessments. Routledge. ISBN: 9781848725812
How to cite this page
ScholarGate. (2026, June 22). Many-Facet Rasch Measurement for Rater-Mediated Assessment. ScholarGate. https://scholargate.app/en/education/many-facet-rasch-measurement
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