Physical Therapy

The ratings on the Tufts Assessment of Motor-Performance are subjected to a rigorous and comprehensively reported Rasch analysis conducted by Steve Haley and Larry Ludlow (1992). This discussion is parallel to Ludlow & Haley (1992), but focussed at practitioners. Particularly eye-catching in the Physical Therapy paper is a diagram that summarizes the item difficulty distribution. Each construct is represented by a line and each item by a tick mark, located at that item's difficulty. This figure presents the composition of the instrument in an immediately comprehensible and aesthetically pleasing manner. [The version shown is only an artist's impression of that in the original paper].

Haley SM & Ludlow LH. 1992. Applicability of the Hierarchical Scales of the Tufts Assessment of Motor-Performance for School-Aged Children and Adults with Disabilities. Physical Therapy, 72, 3, 191-202.

Ludlow LH & Haley SM. 1992. Polytomous Rasch Models for Behavioral Assessment: The Tufts Assessment of Motor Performance. Chapter 8 in M. Wilson (Ed.) Objective Measurement: Theory into Practice. Vol. 1. Norwood, NJ: Ablex

Artist's Impression

Partial item map of the Tufts Assessment of Motor-Performance (Ludlow & Hapey, 1992). Items are identified by number within strand and located by logit calbration.

Physical Therapy, S Haley & L Ludlow … Rasch Measurement Transactions, 1992, 6:3 p. 241

Rasch Books and Publications
Invariant Measurement: Using Rasch Models in the Social, Behavioral, and Health Sciences, 2nd Edn. George Engelhard, Jr. & Jue Wang	Applying the Rasch Model (Winsteps, Facets) 4th Ed., Bond, Yan, Heene	Advances in Rasch Analyses in the Human Sciences (Winsteps, Facets) 1st Ed., Boone, Staver	Advances in Applications of Rasch Measurement in Science Education, X. Liu & W. J. Boone	Rasch Analysis in the Human Sciences (Winsteps) Boone, Staver, Yale
Introduction to Many-Facet Rasch Measurement (Facets), Thomas Eckes	Statistical Analyses for Language Testers (Facets), Rita Green	Invariant Measurement with Raters and Rating Scales: Rasch Models for Rater-Mediated Assessments (Facets), George Engelhard, Jr. & Stefanie Wind	Aplicação do Modelo de Rasch (Português), de Bond, Trevor G., Fox, Christine M	Appliquer le modèle de Rasch: Défis et pistes de solution (Winsteps) E. Dionne, S. Béland
Exploring Rating Scale Functioning for Survey Research (R, Facets), Stefanie Wind	Rasch Measurement: Applications, Khine	Winsteps Tutorials - free Facets Tutorials - free	Many-Facet Rasch Measurement (Facets) - free, J.M. Linacre	Fairness, Justice and Language Assessment (Winsteps, Facets), McNamara, Knoch, Fan
Other Rasch-Related Resources: Rasch Measurement YouTube Channel
Rasch Measurement Transactions & Rasch Measurement research papers - free	An Introduction to the Rasch Model with Examples in R (eRm, etc.), Debelak, Strobl, Zeigenfuse	Rasch Measurement Theory Analysis in R, Wind, Hua	Applying the Rasch Model in Social Sciences Using R, Lamprianou	El modelo métrico de Rasch: Fundamentación, implementación e interpretación de la medida en ciencias sociales (Spanish Edition), Manuel González-Montesinos M.
Rasch Models: Foundations, Recent Developments, and Applications, Fischer & Molenaar	Probabilistic Models for Some Intelligence and Attainment Tests, Georg Rasch	Rasch Models for Measurement, David Andrich	Constructing Measures, Mark Wilson	Best Test Design - free, Wright & Stone Rating Scale Analysis - free, Wright & Masters
Virtual Standard Setting: Setting Cut Scores, Charalambos Kollias	Diseño de Mejores Pruebas - free, Spanish Best Test Design	A Course in Rasch Measurement Theory, Andrich, Marais	Rasch Models in Health, Christensen, Kreiner, Mesba	Multivariate and Mixture Distribution Rasch Models, von Davier, Carstensen

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