Invariant Measurement with Raters and Rating Scales - Engelhard Jr., George (University of Georgia, USA) a Wind, Stefanie (University of Alabama, USA)

This book presents 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.