RMT 24:4 Notes and Quotes

Beware of complexifiers and complicators. Truly "smart people" simplify things. Tom Peters, Business Guru

Rasch Methodology and the Law

S. E. Phillips (Editor). Defending A High School Graduation Test: GI Forum V. Texas Education Agency. A Special Issue of Applied Measurement in Education [Paperback], 2000, Lawrence-Erlbaum.

Additive Conjoint Measurement and Rasch

New insights into Additive Conjoint Measurement (Luce & Tukey, 1964) are provided by Newby et al. (2010):

1. "an ordered conjoint structure has an additive representation if and only if it has a Rasch representation" (p. 10)

2. "not all data to which the Rasch model could be applied is data to which the Rasch model should be applied" (p. 5, italics authors')

Luce RD & Tukey JW. 1964. Simultaneous conjoint measurement. Journal of Mathematical Psychology, 1, 1-27.

Newby, V., Conner, G., Grant, C., & Bunderson, V. (2010). Rasch model and additive conjoint measurement (pp.1-11). In M. Garner, G. Engelhard, M. Wilson, & W. Fisher (Eds.), Advances in Rasch measurement (Vol. 1) Maple Grove, MN: JAM Press.

Rasch-related Papers in Full

An online resource is: "Free Full Text" -


Journal of Applied Measurement

Vol. 11, No. 4 Winter 2010

Rasch Model's Contribution to the Study of Items and Item Response Scales Formulation in Opinion/Perception Questionnaires. Jean-Guy Blais, Julie Grondin, Nathalie Loye, and Gilles Raiche, 337-351

Estimating Tests Including Subtests. Steffen Brandt, 352-367

Measure for Measure: Curriculum Requirements and Children's Achievement in Music Education. Trevor Bond and Marie Bond, 368-383

On the Factor Structure of Standardized Educational Achievement Tests. Tim W. Gaffney, Robert Cudeck, Emilio Ferrer, and Keith F. Widaman, 384-408

The Practical Application of Optimal Appropriateness Measurement on Empirical Data using Rasch Models. Iasonas Lamprianou, 409-423

Features of the Sampling Distribution of the Ability Estimate in Computerized Adaptive Testing According to Two Stopping Rules. Jean-Guy Blais and Gilles Raiche, 424-431

Understanding Rasch Measurement: Developing Examinations that use Equal Raw Scores for Cut Scores. Andrew Swanlund and Everett Smith, 432-442

Richard M. Smith, Editor

JAM web site: www.jampress.org
JAM library recommendation form

Approximation to exact logistic ogive

Notes and Quotes, ... Rasch Measurement Transactions, 2011, 24:4 passim

Rasch Publications
Rasch Measurement Transactions (free, online) Rasch Measurement research papers (free, online) Probabilistic Models for Some Intelligence and Attainment Tests, Georg Rasch Applying the Rasch Model 3rd. Ed., Bond & Fox Best Test Design, Wright & Stone
Rating Scale Analysis, Wright & Masters Introduction to Rasch Measurement, E. Smith & R. Smith Introduction to Many-Facet Rasch Measurement, Thomas Eckes Invariant Measurement: Using Rasch Models in the Social, Behavioral, and Health Sciences, George Engelhard, Jr. Statistical Analyses for Language Testers, Rita Green
Rasch Models: Foundations, Recent Developments, and Applications, Fischer & Molenaar Journal of Applied Measurement Rasch models for measurement, David Andrich Constructing Measures, Mark Wilson Rasch Analysis in the Human Sciences, Boone, Stave, Yale
in Spanish: Análisis de Rasch para todos, Agustín Tristán Mediciones, Posicionamientos y Diagnósticos Competitivos, Juan Ramón Oreja Rodríguez

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