Here, we present comparative case studies of two young adolescents engaged in electronic dialogs on a social issue with a sequence of partners. We trace how an individual coordinates existing ideas with new input the interaction provides. Tracing the evolution of an individual's ideas entails close examination of the process by means of which it…

We describe the design of a knowledge-building environment and examine the role of knowledge-building portfolios in characterizing and scaffolding collaborative inquiry. Our goal is to examine collaborative knowledge building in the context of exploring the alignment of learning, collaboration, and assessment in computer forums. The key design…