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Like Cognitive Ergonomics, attention to Software Ergonomics in interface design has been growth as a result of the development of e-com technology (Shackel, 2000). Because, e-com differs from many other technologies in that e-com is to facilitate economic actions, no for information retrieval (Miles & Howes, 2000).

The first group of goals is about reducing user cognitive loads. In order to achieve the first group of these goals, seven design principles should be achieved.