A classification scheme was developed and implemented for the study of 436 educational Web sites focusing on mathematics, science, and technology learning. Results indicate that many educational Web sites are still predominantly text-based and do not yet exhibit evidence of current pedagogical approaches. Suggestions for future Web-based learning…

Proposes a particular educational configuration based on computer-mediated communication (CMC) technology, the Learnet. Describes the three components of the Learnet model--social dimension, technological dimension, and educational dimension--and summarizes the features of each. Identifies and tabulates the variables of the Learnet model, and…

Describes an exploratory study on the acquisition and use of knowledge representation skills and structures by sixth-graders, supported by a computer-based learning environment. Results indicated that symbolic structures can be taught successfully, and that students using them in the context of instructional tasks perform at the higher band of…

The use of the Internet as an instructional tool in higher education is rapidly increasing. However, alongside the enthusiasm and creativity that generally accompany this process, essential questions regarding the learning quality and effectiveness of online courses emerge too. In order to answer these questions, a comprehensive research program…