Many of the intelligent tutoring systems that have been developed
during the last 20 years have proven to be quite successful,
particularly in the domains of mathematics, science and technology.
They produce significant learning gains beyond classroom
environments. They are capable of
engaging most students' attention and interest for hours. We have
been working on a new generation of intelligent tutoring systems that
hold
mixed initiative conversational dialogues with the learner. The
tutoring
systems present challenging problems and questions to the learner, the
learner
types in answers in English, and there is a lengthy multi-turn dialogue
as
complete solutions or answers evolve. This article presents the
tutoring
systems that we have been developing.
For a PDF full article version, click
here (1.67MB).