OBJECTIVE: The objective of this research was to build an intelligent tutoring system
capable of carrying on a natural language dialogue with a student who is solving a problem …

One-on-One Tutoring by Humans and Computers articulates the CIRCSIM-Tutor project, an
attempt to develop a computer tutor that generates a natural language dialogue with a …

CIRCSlM-Tutor version 2, a dialogne-based intelligent tutoring system (ITS), is nearly five
years old. It conducts a conversation with a student to help the student learn to solve a class …

We consider two questions related to student modeling in an intelligent tutoring system: 1)
what kind of student model should we build when we design a new system; and 2) should …

This study analyzed twenty-eight 1-hr-long tutoring sessions that were carried out keyboard-
to-keyboard with tutor and student in different rooms. The tutors were professors of …

We have replaced the input understanding component of CIRCSIM-Tutor, an intelligent
tutoring system that engages the student in Socratic dialogue. Students type free-text …

Atlas is a plan-based dialogue manager that allows a computer and a person to conduct a
mixed-initiative dialogue using typed text and/or graphics. It is based on a hierarchical task …

CIRCSIM-Tutor is a computer tutor designed to carry out a natural language dialogue with a
medical student. Its domain is the baroreceptor reflex, the part of the cardiovascular system …

This paper describes APE (the Atlas Planning Engine), the reactive planner at the center of
the Atlas dialogue management system. The goal of Atlas is to build conversation-based …

This book is about empirically tested knowledge and principles that inform the design of
instructional and evaluation systems, and the use and promise of media and technology …