“…In science education, a number of studies in the past decade have analyzed the effectiveness of programs when implemented across a large number and wide variety of settings (Borman, Gamoran, & Bowdon, 2008;Buckley et al, 2004;Lee, Maerten-Rivera, Penfield, LeRoy, & Secada, 2008;Penuel, Gallagher, & Moorthy, 2011;Rethinam, Pyke, & Lynch, 2008;Songer, Kelcey, & Gotwals, 2009;Vanosdall, Klentschy, Hedges, & Weisbaum, 2007). Many of these interventions are grounded in decades of basic research on learning and are intended to instantiate principles derived from that research for organizing coherent sequences of instruction for students (Pea & Collins, 2008).…”