Some studies of hypertext/hypermedia systems have concluded that there is little evidence supporting its educational efficacy. After examining conceptual and methodological shortcomings of research, this article suggests that the educational potential of hypertext/hypermedia has been underestimated and argues that overcoming these shortcomings…

Introduces the Inventive Model, a constructivist approach to conceptual change, as a theoretical base for science instruction and for software development in science education. Highlights include the hesitancy of some school systems to implement computer-assisted science instruction, student misconceptions, and cognitive approaches to conceptual…