DSS THEORY - A MODEL OF CONSTRUCTS AND RELATIONSHIPS

A theoretical framework for DSS research is developed in terms of the key elements of theory: domain boundaries, constructs, and relationships among constructs. Eight broad DSS constructs (environment, task, implementation strategy, DSS capability, DSS configuration, user, user behaviour, and performance) are identified. Based on a review of the literature, 17 relationships among these constructs are examined. The most frequently studied relationships in the model are the influences of: (1) DSS capabilities on user behaviour; (2) user behaviour on performance; and (3) DSS capabilities on performance. Studies regarding these relationships use a wide variety of measures and present generally divergent results. Although studied less frequently, fairly consistent relationships were observed, suggesting: (1) the strategy used for DSS implementation influences both user behaviour and DSS performance; and (2) environmental factors such as top management support and user training influence DSS performance. Conclusions include: (1) there has been some progress toward understanding DSS based on the accumulation of research to date; (2) past research has examined less than half of the possible relationships among constructs, creating opportunities for new insights; and (3) divergent results on key pairs of constructs may result from interaction with other constructs, necessitating the simultaneous examination of fuller DSS research models to understand the contingencies influencing these relationships.(2)