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Direct linkKraft, Matthew A. – Educational Researcher, 2023
It is a healthy exercise to debate the merits of using effect-size benchmarks to interpret research findings. However, these debates obscure a more central insight that emerges from empirical distributions of effect-size estimates in the literature: Efforts to improve education often fail to move the needle. I find that 36% of effect sizes from…
Descriptors: Effect Size, Benchmarking, Educational Research, Educational Policy
Download full textWhat Works Clearinghouse, 2015
The study authors examined the effects of using "Diagnostic Assessment Tools" ("DAT") on mathematics and reading outcomes for students in Indiana schools during the 2009-10 academic year. "DAT" consists of interim assessment tools--Wireless Generation's mCLASS for students in grades K-2 and CTB/ McGraw-Hill's Acuity…
Descriptors: Mathematics Achievement, Reading Achievement, Formative Evaluation, Student Evaluation
