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MetaLinks, an authoring tool and web server for adaptive hyperbooks, is described. MetaLinks hyperbooks provide textbook-like content in a flexible manner that supports opportunistic processes of active reading and learning. Through adaptive methods a single on-line artifact can address the diverse needs of a variety of user goals and backgrounds. The(More)
We describe Wayang Outpost, a web-based ITS for the Math section of the Scholastic Aptitude Test (SAT). It has several distinctive features: help with multimedia animations and sound, problems embedded in narrative and fantasy contexts, alternative teaching strategies for students of different mental rotation abilities and memory retrieval speeds. Our work(More)
Intelligent tutoring Systems (ITSs) adapt content and activities with the goals of being both effective and efficient instructional environments. They have goals for students to be challenged and guided in an optimal way-without being too overwhelmed with difficult material or too bored with easy or repetitive material. We propose a particular definition of(More)
We describe a portable coaching environment used within a domain-independent inquiry-learning infrastructure. This coach reasons about a student's knowledge and offers pertinent, domain-specific feedback. It promotes good inquiry behavior by critiquing the student's hypotheses and supporting data and relationships among propositions. Four inquiry tutors in(More)