Current accreditation practices require that teacher education institutions in the United States not only create programs that enact research-based best practices but that they also document their existence and efficacy in preparing teachers. 'Tensions in Teacher Preparation: Accountability,...

"The authors present a database of indicators of innovative activity around the world since the early 1960s. The data include measures of innovation outcomes as well as variables related to innovation effort. The main indicator of innovation outputs is patents. The main variables related to...