We used a cluster-randomized controlled trial to examine the impacts of a technology- and game-based social-emotional program, the "Adventures Aboard the S.S. GRIN" ("Adventures"), on students' social skills development. Eighty-eight third-grade classrooms (N = 1645 third-grade students) across four California public school…

Background/Context: Mathematics education, especially at early grade levels, continues to be an important focus for national education improvement efforts, and more districts are introducing technology as part of their solution. Along with increasing consistent delivery of personalized and individualized learning to students, technology- and…