The American Psychological Association's "Learner-Centered Principles" provide empirically-based approaches to improving teaching and learning. However, in order to facilitate learner-centered, technology-rich instruction to K-12 students, teachers must be afforded opportunities to develop key understandings and skills, rarely evident in most…

This article describes a blueprint for an online learning environment that is based on prominent instructional design and assessment theories for supporting learning in complex domains. The core of this environment consists of formative assessment tasks (i.e., assessment "for" learning) that center on professional situations. For each professional…

Although the conditions for successful technology integration finally appear to be in place, including ready access to technology, increased training for teachers, and a favorable policy environment, high-level technology use is still surprisingly low. This suggests that additional barriers, specifically related to teachers' pedagogical beliefs,…

Reports on data obtained in Australia on practicing teachers' thinking as they interacted with a professional development interactive multimedia courseware package. Two types of thinking are discussed: (1) cognitive mediating processes related to content; and (2) evaluative thoughts about the instructional design of the courseware, from which a…