1. Math Shelf: A Randomized Trial of a Prekindergarten Tablet Number Sense Curriculum. Issue 1 (2nd January 2016) Authors: Schacter, John; Shih, Jeff; Allen, Charles M.; DeVaul, Lina; Adkins, Amy B.; Ito, Taro; Jo, Booil Journal: Early education and development Issue: Volume 27:Issue 1(2016) Page Start: 74 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗