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Introduction to Many-Facet Rasch Measurement: Analyzing and Evaluating Rater-Mediated Assessments. 2nd Revised and Updated Edition Letters - General & Miscellaneous It simply delivers a toughISBN 13: 9783631656150 Publisher: Peter Lang GmbH, Internationaler Verlag der Wissenschaften Publication date: 09 16 2015 Series: Language Testing and Evaluation , #22 Edition description: Updated Pages: 241 Sales rank: 956,832 Product dimensions: 5. 90(w) x 8. 30(h) x 0. 80(d) 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