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Information Systems Development In developing information systems, analysts address a wide variety of problems to which only some have readily available, standard solutions. Methodologies are used to help the analyst deal with such problems. More specifically, a methodology can be defined as an explicit set of assumptions, beliefs, and resources (tools and other means) which guide the analyst from his initial problem perception and definition, to the final conclusion of the project. Rationality is important in this context because the rationality concept (principle) subscribed to by the analyst not only affects how he perceives the object system, i.e., that part of the environment which the systems development project is to change', but also 'Object systems must be perceived. Each participant will apply filters (some conscious some not) that affect his perceptions in forming an image of the object system. The filtering is affected by the total experience and belief system which includes rationality concepts. I57 158 H.K. KLEIN AND R. HIRSCHHElM which tasks are...

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