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Direct linkWang, Jue; Engelhard, George, Jr. – Educational and Psychological Measurement, 2019
The purpose of this study is to explore the use of unfolding models for evaluating the quality of ratings obtained in rater-mediated assessments. Two different judgmental processes can be used to conceptualize ratings: impersonal judgments and personal preferences. Impersonal judgments are typically expected in rater-mediated assessments, and…
Descriptors: Evaluative Thinking, Preferences, Evaluators, Models
Wang, Jue; Engelhard, George, Jr.; Wolfe, Edward W. – Educational and Psychological Measurement, 2016
The number of performance assessments continues to increase around the world, and it is important to explore new methods for evaluating the quality of ratings obtained from raters. This study describes an unfolding model for examining rater accuracy. Accuracy is defined as the difference between observed and expert ratings. Dichotomous accuracy…
Descriptors: Evaluators, Accuracy, Performance Based Assessment, Models
