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Download full textPalardy, Gregory J.; Peng, Luyao – Education Policy Analysis Archives, 2015
This study examines the effects of including the summer period on value-added assessments (VAA) of teacher and school performance at the early grades. The results indicate that 40-62% of the variance in VAA estimates originates from the summer period, depending on the outcome (i.e., reading or math achievement gains). Furthermore, when summer is…
Descriptors: Value Added Models, Performance Based Assessment, Teacher Effectiveness, School Effectiveness
