Whereas existing learning environments on the Web lack high level interactivity, we have developed a human tutor-like tutorial conversation system for the Web that enhances educational courseware through mixed-initiative dialog with natural language processing. The conversational tutoring agent is composed of an animated tutor, a Latent Semantic…

Popular electronic tools for learning--tutorials, educational databases, learning nodes, simulations and educational games--are described, and their functions as part of the learning system are examined using Gagne's Events of Instruction model. Figures representing tutorial models are included. (Contains seven references.) (SLW)