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Updated: Jan 2, 2026

Problem-Solving Before Instruction PS-I: A Protocol for Assessment and Intervention in Students with Different Abilities
Published on: September 11, 2021
Response to Comment on "Math at home adds up to achievement in school"
Talia Berkowitz1, Marjorie W Schaeffer1, Christopher S Rozek1
1University of Chicago, Chicago, IL, USA.
Abstract:
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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