User satisfaction has become one of the most important measures of the success or effectiveness of information systems (IS). In the current study, the dimensionality of Web-based information systems (WIS) satisfaction was first examined. Two composite latent variable models with factor-order structures were then empirically tested and compared to describe the relationships among observable variables concerned with WIS satisfaction. Using data from a sample of 515 university students, a third-order composite latent variable model was retained based on statistical and theoretical criteria. At the third-order level, WIS satisfaction is determined by two second-order constructs: Web information satisfaction and Web system satisfaction. Web information satisfaction is determined by understandability, reliability, and usefulness, while Web system satisfaction is determined by access, usability, and navigation. Overall, the model provides a good fit to the data and is theoretically valid, reflecting logical consistency. Implications of the current investigation for practice and research are provided.
IntroductionUser satisfaction is one of the most important measures of the success or effectiveness of information systems (IS; DeLone & McLean, 1992Mahmood, Burn, Gemoets, & Jacquez, 2000;Rai, Lang, & Welker 2002;Seddon, Staples, Patnayakuni, & Bowtell, 1999;Zviran & Erlich, 2003;Zhang, Lee, Huang, Zhang, & Huang, 2005). During the proliferation of Web-based information systems (WIS), user satisfaction has emerged as particularly important evaluation criteria. Despite the rich literature that exists regarding end-user information satisfaction conducted in the traditional IS environment, very little is known about user satisfaction in the Web-based environment given the added dimensions that the Web provides. Users of traditional IS are mainly professionals in an organizational context, while typical WIS users are comprised of both professional and non-professional users in various contexts. These systems perform various functions to fulfill the needs of these two types of endusers, resulting in distinct forms of interactions between the information products generated from the systems and their consumers. Furthermore, the richness of information and the nature of unstructured and highly individually customizable interactions typically exhibited by WIS redefine the standard of user satisfaction in the Web environment. As a result, findings from prior studies on user satisfaction may not be valid in the context of WIS. There is a need to investigate the concept of user satisfaction in the Web environment.A typical research cycle for developing a standardized measurement instrument to measure a new construct involves two stages of investigation (McBrath, 1979). In the first stage, exploratory studies are performed with the aim to develop hypothesized measurement model(s) via the analysis of empirical data from a referent population. A common technique used in this stage is exploratory factor analysis. In the second stage of in...