A mixed-methods research study was designed to examine teachers' knowledge and confidence for implementing a STEM-based problem-based learning (PBL) unit in their 6-12 grade science and math classrooms. Twenty-one teachers (7 in-service and 13 pre-service) participated in an intensive two-week summer workshop during which they engaged in, and then…

The theme of this special issue is timely as the world becomes increasingly flat and globally connected (Friedman, 2007). By focusing on an international perspective in problem-based learning (PBL), it puts culture squarely in the center, whether it is a national or disciplinary culture. The articles in this special issue represent Thailand, South…

This article describes two consecutive enactments of technology-oriented teacher professional development designs, aimed at helping teachers find high-quality online learning resources and use them in designing effective problem-based learning (PBL) activities for their students. To align with current professional development prescriptions, in the…