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Rater-mediated assessments, such as teacher behavior rating scales, measure student behavior indirectly through the lens of a rater. As a result, scores from rater-mediated assessments can be influenced by rater effects- individual differences in rater perspectives, attitudes, beliefs, and interpretation of rating scale items. Rater effects are a fundamental aspect of all rater-mediated assessments. However, traditional approaches to evaluate rater effects (i.e., classical test theory, generalizability theory, and multilevel modeling) merely estima