Introduction to Many-Facet Rasch Measurement: Analyzing and Evaluating Rater-Mediated Assessments- 2 nd  Revised and Updated Edition by Thomas EckesIntroduction to Many-Facet Rasch Measurement: Analyzing and Evaluating Rater-Mediated Assessments- 2 nd  Revised and Updated Edition by Thomas Eckes

Introduction to Many-Facet Rasch Measurement: Analyzing and Evaluating Rater-Mediated Assessments…

byThomas Eckes

Hardcover | September 16, 2015

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Since the early days of performance assessment, human ratings have been subject to various forms of error and bias. Expert raters often come up with different ratings for the very same performance and it seems that assessment outcomes largely depend upon which raters happen to assign the rating. This book provides an introduction to many-facet Rasch measurement (MFRM), a psychometric approach that establishes a coherent framework for drawing reliable, valid, and fair inferences from rater-mediated assessments, thus answering the problem of fallible human ratings. Revised and updated throughout, the Second Edition includes a stronger focus on the Facets computer program, emphasizing the pivotal role that MFRM plays for validating the interpretations and uses of assessment outcomes.

About The Author

Thomas Eckes is Head of the Psychometrics and Research Methodology Department, TestDaF Institute, University of Bochum, Germany. His research interests include language testing, multivariate data analysis, large-scale assessments, psychometric modeling of language competencies, and web-based testing.
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Title:Introduction to Many-Facet Rasch Measurement: Analyzing and Evaluating Rater-Mediated Assessments…Format:HardcoverDimensions:8.27 × 5.83 × 0.98 inPublished:September 16, 2015Publisher:Peter Lang GmbH, Internationaler Verlag der WissenschaftenLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:3631656157

ISBN - 13:9783631656150

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Table of Contents

Contents: Conceptual-psychometric framework for rater-mediated assessments – Principles of many-facet Rasch measurement – Measurement of rater severity/leniency – Correcting examinee proficiency measures for rater severity differences – Examining rater consistency and rating scale effectiveness – Increasing validity and fairness of performance assessments.