Junior High School Chemistry Intelligent Tutoring System

Intelligent Tutoring System has been under development since 1970's,and now it has become an interdispline including: Artificial Intelligence , cognitive science , pedagogy and psychology Because the personal computer is becoming more and more popular , the Intelligent Tutoring System has a great perspective .Based on an Intelligent Tutoring System of junior chemistry , this paper will discuss the design and realization of the knowledgebase and exercise schedule strategy of it in detail . Because there are many links among the knowledge units of junior chemistry , we use semantic network to reprent the knowledge ; To improve the efficiency and flexibility of the reaction-base , we design a structure indexed by reactor and product, so the reaction base can be retrived by several modes.There are three sorts of exercises in junior chemistry , after discuss the features of them, I present the diagnose strategy of the each sort,the strategy can simulate human teacher in some sense . And finally , I present the exercise schedule strategy based on the information of diagnose , student model and the organization of curriculumI have realized the knowledge base , student model , and exercise schedule module of a Intelligent Tutoring System of junior chemistry ,using Visual C++ 1.5, based on the design discussed above...