Review of the cooperation of Professor B D Wright, University of Chicago and Professor G Rasch, University of Copenhagen.

This entire text, including the heading above, is contained in a document hand-written by Georg Rasch in the lobby of a hotel in Aalborg, Denmark, on June 18, 1972. A sample of the original, in Rasch's own hand-writing, is shown below.

In the Spring term 1960, GR, as a visiting professor at the Department of Education of the University of Chicago, gave a series of lectures based upon a monograph he, by then, was just giving the finishing touch. In this book, new methods in theory and practice of psychological meaning were developed, and later on they were carried over to Social Sciences at large until they ended up as a very general methodology covering both Social and Natural Sciences C a field which he, now having retired as a professor, is able to concentrate upon, thanks to an ample grant from the National Council of Social Sciences.

It goes without saying that such a development requires contacts in many different directions, and in this regard, the cooperation with Dr. B.W., professor in psychology and education, has given much inspiration to and been of great practical use for GR.

This work, which was initiated while he attended the teaching of GR in 1960, largely goes in the following three directions.

The methods of GR were developed at a time when the era of electronic computing has been barely heralded in this country [Denmark], the access to such facilities thus being very limited. In contributing to the development of the techniques of electronic computation for the models in question and in furthering their utilization, BW carried out a very great and most useful work, which of course can only be recognized by those who realize how forbidding the computational obstacles looked at that time. In continuation of this work, he cooperated with a number (11) of universities and other (8) big institutions in developing programmes designed for their special problems and adapting them to their particular electronic equipment.

Nextly, he has himself been active in applying the said methods in diverse fields within the area of psychological and educational testing, and also by inspiring others to do so, with the result that by now we are looking forward to a comprehensive evaluation of the applicability of the methods in the whole area.

However, this development was only possible due to his extensive teaching and giving speeches on the matter. In his own faculty he has given regular courses on the said methods since the spring term 1967. Talks to larger gatherings he has given some ten times since 1965, some of them in special sessions on GR's methods at periodical meetings of psychological and educational societies. Special mentions deserves his organization of two 5-day training courses in 1969 and 1970, sponsored by the governmental Department of Education, on which occasion some hundred psychologists and educationalists from all over the States and Canada were introduced to the elements of the theory and practice of GR's methods.

On the whole, since his first visit to Denmark in 1964 BW has practiced an almost unbelievable activity in this field, and results have certainly not been lacking. Thus already 6 dissertations have been produced C 2 of them under his direct guidance C and furthermore several leading institutions in educational and testing are now under his advice, turning to constructing their test batteries in accordance with consequences of GR's theories. In between, he himself has published, in part together with students of his, three significant papers on the topic. And at present he and GR are planning during one or two visits of longer duration (5-6 months) in 1973 and/or 1974 to produce a substantial paper on the comprehensive study indicated above. This plan may be seen as a climax of their cooperation during four short stayings over here (1964, '65, '67, and '70) and during a second period of GR as visiting professor at UC (1968/69).

GR

Review of cooperation between B D Wright and G Rasch. Rasch G. … Rasch Measurement Transactions 2:2 p.19

Review of cooperation between B D Wright and G Rasch. Rasch G. … Rasch Measurement Transactions, 1988, 2:2 p.19

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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