The focus of this research project was to examine how problem- based learning (PBL) impacts students' interest and knowledge in computer science (CS) at the elementary level. By focusing on a problem that emphasizes social activism, we hypothesized that PBL CS could increase interest for students. We employed an iterative design-based research…

This article advances a continuing line of inquiry into the potential of digital educative curriculum materials to support teachers' development of professional teaching knowledge. Instead of standalone levers of change, the educative curricula in this study were featured resources within a novel professional development approach. The qualitative,…

This paper reports on a design experiment of web-based curriculum materials explicitly created to help social studies teachers develop their professional teaching knowledge. Web-based social studies curriculum reform efforts, human-centered interface design, and investigations into educative curriculum materials are reviewed, as well as…

Advances a line of research that investigates the potential of hypermedia resources and scaffolding for supporting problem-based social studies and developing critical reasoning. The line of inquiry consists of a series of generative design experiments that informs problem-based curriculum development. The experiments examined 11th grade U.S.…