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The effects of practice and working-practice homework on the math achievement of elementary school students showing varying levels of math performance
(University of Missouri--Columbia, 2008)
blocked into one of three achievement groups (top, middle, and lower) based on their pretest scores and randomly assigned either practice or working-practice homework for 6 weeks. The posttest results indicated no statistically significant differences...
Mizzou, volume 096, number 2 (2008 winter)
(MU Alumni Association, University of Missouri, 2008)