I As a user interacts with a database or expert system, s/he may reveal a misconception about the objects modeled by the system. This paper discusses the R O M P E R system for responding to such misconceptions in a domain independent and context sensitive fashion. R O M P E R reasons about possible sources of the misconception. It operates on a model of the user and generates a cooperative response based on this reasoning. The process is made context sensitive by augmenting the user model with a new notion of object perspective which highlights certain.
