TEA: An Agrarian Economics Instructor System

SUMMARY In the present paper, we describe the TEA system, a multimedia instructor system for distance learning of agrarian economics. TEA is based on the last 3 years of the courses held in the Spanish School for Agrarian Foremen. This tutorial system follows the hypertext philosophy ( in the widest sense, including textual and hypermedia information), which has been widely used in the educational field. In the development of TEA, we have tried to overcome the classical problems of hypertext education ( disorientation during navigation, cognitive overload, etc. ) using graphical and textual ‘;clues’ to improve user orientation. Internet is a new medium with great potential in the educational field. Perhaps the main benefit of Internet is the possibility of making learning material available to people all over the world. Within Internet, World Wide Web ( WWW) is the most natural solution for remote access to multimedia distance learning services. The system was developed on WWW, using the Netscape User Int...