Technical Comments

Response to 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.aad8555

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Frank presents an alternative interpretation of our data, yet reports largely similar results to those in our original Report. A critical difference centers on how to interpret and test interaction effects. Frank finds no mistakes in our analyses. We stand by our original conclusions of meaningful effects of the Bedtime Learning Together (BLT) math app on children’s math achievement.

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