Although the second language literature on Dynamic Assessment (DA)--the unity of assessment and instruction into a singular activity to promote cognitive development--shows promising results, very little has been written about how to educate teachers to use it. This two-cycle, exploratory action research study aimed to understand and address the…

The case study focuses on the interactional mechanisms through which online collaborative teams co-construct a shared understanding of an analytical geometry problem by using dynamic geometry representations. The collaborative study consisted of an assignment on which the learners worked together in groups to solve a ship navigation problem as…

The work described in this paper is part of a larger project, called InterQuest, which is dedicated to establishing effective models and methods for teaching using Internet technology, especially the World Wide Web. Features of two InterQuest projects, CalculusQuest and QuestWriter, are discussed. CalculusQuest is a first-term differential…

Online teaching and learning has been in transition for its entire existence. The number of courses offered at a distance has grown rapidly. According to the National Center for Education Statistics (Waits & Lewis, 2003), in 2000-2001 more than 56% of four-year colleges and universities in the United States offered distance education degree…

This paper reports on a pilot project in which German universities in Freiburg, Constance, Mannheim, Stuttgart, and Ulm connected computer science departments via the Internet for a summer 1997 telelecture and teletutorial on computers and society. The first section provides background on telelearning and introduces the case study. The second…