| Summary: | Bibliography: p. 103-114. === The motivation for this research was twofold. The first was to explore measures of information system success. The second, to investigate the influence of user variables, specifically attitude, belief and levels of user involvement, on information system success. Although researchers agree that the aggregate organisational benefit derived from an information system is the best measure of success, no practical instrument has been employed to measure this benefit. Rather, a number of surrogate measures, specifically system use and user information satisfaction have been employed. This research explores a new measure, the "fit to objectives", as an appropriate and practical measure for information system success. It also uses this measure to establish the relationship between information system success and user involvement. User attitude, user belief and levels of user involvement have all been examined by previous research and are postulated to be positively associated to information system success. However, in testing the above postulations previous research has achieved mixed results. The major constraints in verifying the above has been a lack of accepted definitions, inappropriate measures, and poor methodologies. With the growth in the importance of the user in information systems development, a better understanding of the behavioural influences relating to the user is required. In examining these user influences, this research employs tested and proven measures based on past research from the information systems, organisational behaviour, and psychological disciplines. The research is both exploratory and empirical in nature. A focus throughout has been on the practical application of constructs and instruments and providing contributions to both information system practitioners and researchers alike.
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