With the expansion of e-learning, the understanding and evaluation of already created e-learning environments is becoming an extremely important issue. One way to dealing with the problem is analysis of case studies, i.e. already created environments, from the reuse perspective. The paper presents a general framework and model to assess UNITE, the…

Many current (online) help systems fail because users refuse to use them or, even if they do so, they do not perceive them as helpful. There is an obvious gap between the intentions of the help content authors and the achievement of objectives concerning the perceived usefulness by help users. Problems may be divided into psychological and…