Cultural-Historical Activity Theory Approaches to Design-Based Research - Paperbackby Mike Cole (Editor), William Penuel (Editor), Kevin O'Neill (Editor) Most intervention research in education aims to demonstrate the efficacy of specific programs and practices. The assumption is that if researchers can produce evidence based programs that work in a variety of settings, educators will take them up on a large scale. Unfortunately, this approach largely neglects the role that out of school experiences can and do play in learning, and