Rasch Measurement in the News, June, 2013

A recent article in Education Week discussed the potential wide-scale application of measures produced from Rasch models. The author of the article, Tom Vander Ark, cites the enormous mounds of fragmented, educational data currently available and the lack of a common scale for meaningful reporting and growth measurement. Vander Ark proposes using the widely used Lexile framework for reading and the Quintile framework for math to link scales and develop a system of comparable growth measures for students. Metametrics' Gary Williamson was quoted as saying "For the best measurement of student growth, the measurement scale must be: unidimensional, continuous, equal-interval, developmental, and invariant with respect to location and unit size. In fact, the Lexile scale possesses all of these necessary characteristics. So it is not only appropriate for the measurement of student growth, it may well be the most appropriate scale for the measurement of academic growth in reading".

Vander Ark, T. (2013). A proposal for better growth measures. Education Week. June 5. Available at: http://blogs.edweek.org/edweek/on_innovation/2013/06/a_proposal_for_better_growth_measures.html

Rasch Measurement in the News, June, 2013. T. Vander Ark … Rasch Measurement Transactions, 2013, 27:2 p. 1418

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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