Segue Institute for Learning teacher Cassandra Santiago introduces a lesson on word problems to her first graders one spring afternoon. Credit: Phillip Keith for The Hechinger Report The Hechinger ...

The authors conducted design or classroom experiments (R. Gersten, S. Baker, & J. W. Lloyd, 2000) at 2 sites (Pennsylvania and Florida) to test the effectiveness of schema-based instruction (SBI) ...

Educational Studies in Mathematics, Vol. 81, No. 1 (September 2012), pp. 47-65 (19 pages) The present study aims to investigate the effects of a design experiment developed for third-grade students in ...