User-interface Design

User-interface design is a central issue for the usability of a software product. In this chapter, general requirements referring to the international software ergonomics standardization and specific design features for the user interface of learning systems are presented. Orientation and feedback for the learner are the most relevant issues of interface design of learning systems. Information presentation methods appropriate for learning are proposed. Contextualization of learner support by individualized interfaces, by active and situated learning means, and contextual online help are proposed. Reflection during and after the design and development of an interface are recommended.