The organisational context of decision support system and expert system construction, implementation and evaluation

Powell, Philip L (1992) The organisational context of decision support system and expert system construction, implementation and evaluation. University of Southampton, Doctoral Thesis.

Abstract

Part one considers system evaluation, concentrating on the nature and evaluation of success and failure in ES, DSS and information technology (IT) and offering criteria for such assessments which are then applied to a sample of organisations. It assesses whether IT projects should be regarded as different from any other investment proposal. This part further considers the strategic argument in IT implementation and the inhibitions this provides for rigorous evaluation. Part two looks at the organisational use and role of the technology, encompassing organisational design and the nature of organisational expertise. It investigates current DSS and ES use and finds that this does not correspond to existing models; it proposes a value-added model of DSS and ES differentiation. Part two also examines the implications of DSS and ES for organisational restructuring, offering a model to assist in examination. Part three explores human information processing (HIP) and its relationship to the systems in question. It looks at the efffects of gender on DSS design and the penultimate paper in this part provides a link back to part one, addressing the nature of success from an HIP perspective. Finally, part four moves on to the development of models for use in DSS and ES model and rule-bases, describing the development of a network scheduling system and a set of sophisticated model bases within the management accounting domain.

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