S. Rizzotti and H. Burkhart
e-Learning, testing and assessment issues, authoring systems,reusable learning objects, active learning
Courseware engineering aims for the cost-efficient production and maintenance of educational material. We propose a separation of courseware into content parts, presentation parts, pedagogic, and didactic parts as a major step in order to strengthen reusability and adaptability of e-learning contents. This separation should guarantee that specialists can focus on their field. It allows them to define questions without being concerned about presentation or designing the look and feel and without going into details of the question content at the same time. As a case study, we present tetrodo, a framework for web-based education and show its application for the development of test and assessment purposes. Our system supports computer-correctable questions at higher taxonomy levels compared to the multiple-choice and fill-in type supported by todays e-learning systems. In order to show a flavor of what is possible, we give examples from a recent course on Algorithms and Data Structures and examples from other area. We sketch the hierarchy of question patterns built up and report on the authoring tool developed. Finally we describe a new approach in student involvement in questioning and summarize practical experiences so far.
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