Improving single-subject change assessment: deriving the minimal detectable change of questionnaires' ordinal scores from Rasch analysis measures.

Purpose: The minimal detectable change (MDC) of questionnaire ordinal scores (MDCord) is the smallest score difference exceeding the measurement error. Being ordinal, it suffers from flaws, successfully addressed by the Rasch analysis (RA) and its robust interval measures. However, RA measures strug...

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Bibliographic Details

Published in:	Disability & Rehabilitation Vol. 48; no. 7; pp. 2169 - 2187
Main Authors:	Caronni, Antonio, Picardi, Michela, Scarano, Stefano, Rota, Viviana, Amadei, Maurizio
Format:	equations & formulas research tables/charts Journal Article
Published:	Taylor & Francis Ltd Apr2026
Online Access:	View this record in EBSCOhost