The design of problems is crucial for the effectiveness of problem-based learning (PBL). Research has shown that PBL problems have not always been effective. Ineffective PBL problems could affect whether students acquire sufficient domain knowledge, activate appropriate prior knowledge, and properly direct their own learning. This paper builds on…

The process through which teachers transform the curriculum over time is best explained by incremental change theories. Teachers will tinker at the margins of the curriculum, effecting incremental change, until they begin to feel comfortable with the dissolution of disciplinary boundaries, and they are willing to cede control of some curricular…