Many studies have been conducted on the topics of tools, computers, and technology designed to promote student learning. However, researchers have rarely raised the critical issue of the lack of consensus on conceptualizing "cognitive tools" or the possible challenges associated with previous definitions. By examining the limitations on research…

Stavros Demetriadis is currently an Assistant Professor with the Department of Informatics, Aristotle University of Thessaloniki (AUTh) in Greece. He also earned his Bachelor's degree in Physics and a Master Diploma in Electronic Physics from AUTh. He became interested in information and communications technologies when he was a high school…

The availability of technological tools is promoting a shift toward more student-centered online instruction. This article describes the implementation of a Problem-Based Learning (PBL) model and the technological tools used to meet the expectations of the model as well as the needs of the students. The end product is a hybrid course with eight…

Presents and applies a teacher professional-development-oriented analytical framework to provide clarity to the discussion of what role network-based communication may play in teacher professional-development experiences. A table presents a summary of advocacy and adversarial claims in network-based professional development by areas of…