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Invariant Measurement with Raters and Rating Scales: Rasch Models for Rater-Mediated Assessments

George Engelhard, Jr. (University of Georgia, USA) Stefanie Wind (University of Alabama, USA)



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20 December 2017
Psychological testing & measurement; Epidemiology & medical statistics; Mensuration & systems of measurement
The purpose of this book is to present methods for developing, evaluating and maintaining rater-mediated assessment systems. Rater-mediated assessments involve ratings that are assigned by raters to persons responding to constructed-response items (e.g., written essays and teacher portfolios) and other types of performance assessments.

This book addresses the following topics: (1) introduction to the principles of invariant measurement, (2) application of the principles of invariant measurement to rater-mediated assessments, (3) description of the lens model for rater judgments, (4) integration of principles of invariant measurement with the lens model of cognitive processes of raters, (5) illustration of substantive and psychometric issues related to rater-mediated assessments in terms of validity, reliability, and fairness, and (6) discussion of theoretical and practical issues related to rater-mediated assessment systems.

Invariant measurement is fast becoming the dominant paradigm for assessment systems around the world, and this book provides an invaluable resource for graduate students, measurement practitioners, substantive theorists in the human sciences, and other individuals interested in invariant measurement when judgments are obtained with rating scales.
By:   George Engelhard Jr. (University of Georgia USA), Stefanie Wind (University of Alabama, USA)
Imprint:   Routledge
Country of Publication:   United Kingdom
Dimensions:   Height: 229mm,  Width: 152mm, 
Weight:   496g
ISBN:   9781848725508
ISBN 10:   1848725507
Pages:   352
Publication Date:   20 December 2017
Audience:   College/higher education ,  College/higher education ,  Further / Higher Education ,  Primary
Format:   Paperback
Publisher's Status:   Active

George Engelhard, Jr. is a professor at The University of Georgia, USA, and a professor emeritus at Emory University, USA. Stefanie A. Wind is an assistant professor at The University of Alabama, USA.

Reviews for Invariant Measurement with Raters and Rating Scales: Rasch Models for Rater-Mediated Assessments

No author can match George Engelhard's oeuvre in the use of Rasch models for rater-mediated performance assessments. This latest volume, with Stefanie Wind, draws on a broad background of measurement theory, philosophy and test standards to focus invariant measurement - the crucial next step in measurement practice. This will be my go-to reference text. - Trevor G. Bond, James Cook University, Australia This is an accessible and comprehensive treatment on the use of ratings for measurement purposes. The authors are trusted sources who are active in the field and that practical knowledge and experience shows in their writing. - Jonathan Templin, University of Kansas, USA

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