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Comment on “Math at home adds up to achievement in school”

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Science  11 Mar 2016:
Vol. 351, Issue 6278, pp. 1161
DOI: 10.1126/science.aad8008

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Berkowitz et al. (Reports, 9 October 2015, p. 196) described a randomized field experiment testing whether a math app designed to increase parent-child interaction could also bring academic benefits. A reanalysis of the data suggests that this well-designed trial failed to find strong evidence for the efficacy of the intervention. In particular, there was no significant effect of the intervention on math performance.

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