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Cronin, Linda; Capie, William – 1986
The influence of day-to-day variation in teacher performance on the reliability and validity of teacher assessment was examined. An attempt was made to identify and quantify sources of score variation attributable to differences in teacher performance, day of observation, observers, and test subscales; and to determine their effects on reliability…
Descriptors: Behavior Change, Behavior Rating Scales, Classroom Observation Techniques, Evaluation Methods