Harnessing a cluster randomized controlled trial, we estimated the impact on students' advanced placement (AP) examination performance of a project-based learning (PBL) approach to AP compared with a lecture-based AP approach. Through PBL, teachers primarily play a facilitator role, while students work on complex tasks organized around central…

Previous to this study, teaching and learning practices in the first-grade classroom of study were primarily teacher and content driven and did not reflect the student-driven inquiry process. The identified problem of practice for this action research study was the first-grade students in the teacher-researcher classroom did not demonstrate…