Architectural design of a software engine for adaptation control in the ADOPTA e-learning platform
CompSysTech '09 Proceedings of the International Conference on Computer Systems and Technologies and Workshop for PhD Students in Computing
Management of storyboard graphs for adaptive courseware construction
CIT'09 Proceedings of the 3rd International Conference on Communications and information technology
Towards an effective evaluation framework for IMS LD-based didactic materials: criteria and measures
HCI'07 Proceedings of the 12th international conference on Human-computer interaction: applications and services
Management of storyboard graphs for adaptive courseware construction
WSEAS Transactions on Information Science and Applications
Statistical profiles of highly-rated learning objects
Computers & Education
Measuring web usability using item response theory: Principles, features and opportunities
Interacting with Computers
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Educational systems have to be assessed to determine whether their user interface, didactic method, instructional materials and interaction mechanisms help users reach their learning and teaching goals. With this purpose, educational developers need to rely on a set of clear, concrete and measurable quality criteria. In this paper, we propose an evaluation framework made up of a number of criteria to test the utility and usability of educational hypermedia systems. We also discuss that measuring these criteria entails different forms of imprecision and uncertainty, that call for the user of representation formalisms like fuzzy set theory. Theframework presented here is aimed not only at helping educational developers to evaluate their systems, but also to provide them with some guidance to address educational requirements during the design process.