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Wind, Stefanie A.; Jones, Eli – Educational Researcher, 2019
Teacher evaluation systems often include classroom observations in which raters use rating scales to evaluate teachers' effectiveness. Recently, researchers have promoted the use of multifaceted approaches to investigating reliability using Generalizability theory, instead of rater reliability statistics. Generalizability theory allows analysts to…
Descriptors: Teacher Evaluation, Observation, Generalizability Theory, Item Response Theory