Joint construction of new knowledge demands that persons can express their statements in a convincing way and explore other people's arguments constructively. For this reason, more knowledge on different means to support collaborative argumentation is needed. This study clarifies whether structured interaction supports students' critical and…

This study explored Metacognition and how automated instructional support in the form of problem-solving and self-reflection prompts influenced students' capacity to solve complex problems in a Web-based learning environment. Specifically, we examined the independent and interactive effects of problem-solving prompts and reflection prompts on…

Presents a framework for the development of Web-based learning environments that is focused on shared hypermedia, a new form of computer-mediated communication. Highlights include how communication and interaction are changed by computers; changes in training as a result of the Internet; situated action theory; and creating communities of…

Examines preservice teachers' interactions with the Internet in searching for information and in communications. Discusses embodied computing, user "domination and silencing,""brotherhoods" on the Internet, ethical issues, privacy versus the public nature of the Internet, sharing of text and sharing of voice, language of searches, and explorations…

This study examined the instructor experience of teaching college courses (discussion-based and mathematics) over the Web, versus in the classroom, in terms of teaching, social issues, and emergent issues such as media effects. We interviewed, by e-mail and telephone, 22 college instructors who taught in both formats. We categorized interview…

A third grade class served as subjects of this study on the use of paired keyboards attached to a single microcomputer as a means to facilitate Internet exploration. A collaborative environment resulted, where students could benefit from the scaffolding provided by computer and Internet resources. (AEF)