A Case-Based Reasoning Approach to Internet Intelligent Tutoring Systems (ITS) and ITS Authoring

Richard Stottler and Sowmya Ramachandran, Stottler Henke Associates, Inc.

This paper describes three aspects of our ITS research and development project currently underway for the Air Force (Air Force Contract Number: F41624-98-C-5007). The purpose of our project is to develop both a general ITS authoring tool and a specific ITS to train AWACS Weapons Directors. Our approach is innovative in three ways. First, instruction, assessment and remediation all occur primarily in the context of a simulated scenario, or case, with the student performing actions (primarily cognitive) in as close to an operational environment as possible. The second innovation is the use of the Internet to provide distributed tutoring through a loose confederation of ITSs. The third innovation is the development of an authoring tool, for use by non-programmers, to enter both the domain and pedagogical knowledge, required for the ITS, which is then used to automatically create the corresponding ITS. This provides an ITS authoring capability.

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