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Download full textHarris, Douglas N.; Sass, Tim R. – National Center for Analysis of Longitudinal Data in Education Research, 2009
Mounting pressure in the policy arena to improve teacher productivity either by improving signals that predict teacher performance or through creating incentive contracts based on performance--has spurred two related questions: Are there important determinants of teacher productivity that are not captured by teacher credentials but that can be…
Descriptors: Credentials, Teacher Effectiveness, Teaching Skills, Principals
Crane, Laura R.; Cech, Joseph – 1979
Normal curve equivalent achievement gains estimates were compared with RMC Title I evaluation Models A1 and B1. The comparison focused upon the amount of bias introduced by Model A1 when its underlying assumptions were violated. The model assumes, first, that the local school population is accurately represented by the national norm group; and…
Descriptors: Achievement Gains, Compensatory Education, Control Groups, Early Childhood Education
