Background

Objectives
Effective (economic) processes of knowledge assessment/ diagnosis/ testing
Teaching (tutorial systems)
Information presentation and information use

Features of the approach
- Non-numerical
- Approach is based on initial (and continuing) work by Doignon and Falmagne (1985)
- In the last decade, many other authors have contributed to the theory and extended the original framework
- Theory is attractive because it starts out with rather simple psychological assumptions
- Develops its concepts with a devotion to a high degree of formal precision.
- Several computerized procedures available