This article describes the theoretical and conceptual framework upon which the Developmental Designs (DD) approach is based and four fundamental human needs especially compelling for adolescents. These are used as the foreground to explain and contextualize the Developmental Designs' 10 classroom practices and professional development…

This study presents findings from an evaluation of the Developmental Designs classroom management approach and professional development model during its first year of implementation across 22 middle schools in a large, Midwestern school district. The impact of this professional development model on teaching and learning as related to participants'…

This study examines the impact of standards-based professional development on teacher efficacy and instructional practice of elementary and middle school science teachers. Professional development activities were conducted over a period of 3 years and included content courses as well as teacher involvement in professional learning communities.…