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.
Publisher: Taylor & Francis Ltd
Number of pages: 352
Weight: 680 g
Dimensions: 229 x 152 mm
"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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