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Castellano, Katherine E.; McCaffrey, Daniel F. – Educational Measurement: Issues and Practice, 2017
Mean or median student growth percentiles (MGPs) are a popular measure of educator performance, but they lack rigorous evaluation. This study investigates the error in MGP due to test score measurement error (ME). Using analytic derivations, we find that errors in the commonly used MGP are correlated with average prior latent achievement: Teachers…
Descriptors: Teacher Evaluation, Teacher Effectiveness, Value Added Models, Achievement Gains
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Van Norman, Ethan R. – School Psychology Quarterly, 2016
Curriculum-based measurement of oral reading (CBM-R) progress monitoring data is used to measure student response to instruction. Federal legislation permits educators to use CBM-R progress monitoring data as a basis for determining the presence of specific learning disabilities. However, decision making frameworks originally developed for CBM-R…
Descriptors: Oral Reading, Curriculum Based Assessment, Investigations, Progress Monitoring