Human Computer Interaction Design of the LP-ITS: Linear Programming Intelligent Tutoring Systems

The Linear Programming Intelligent Tutoring System (LP-ITS) was designed and developed in an effortto help students who are facing problems in linear programming. This tutoring system is unique inseveral ways. Most programming tutoring systems require the instructor to creator problems withcorresponding solutions. LP-ITS, on the other hand, generate the problem and solution automatically. LP-ITS analyzes the student’s solution step by step to determine the weak points of the student andintelligently guides the student towards the correct solution of the linear programming problem. LP-ITSis intended to be used by students enrolled in Linear Programming course at the University level. Thispaper discusses the Human Computer Interaction (HCI) design elements in the LP-ITS for improvingthe Linear programming Intelligent Tutoring System. LP-ITS has been and is currently being field-testedby students enrolled in Operations Research in the Faculty of Engineering and Information Technologyat Al-Azhar University in Gaza