A cognitive model of document use during a research project. Study I. document selection
Journal of the American Society for Information Science
Consumer trust in an Internet store
Information Technology and Management
An empirical assessment of a modified technology acceptance model
Journal of Management Information Systems - Special section: Strategic and competitive information systems
Testing the determinants of microcomputer usage via a structural equation model
Journal of Management Information Systems - Special section: Navigation in information-intensive environments
Relevance judgment in epistemic and hedonic information searches
Journal of the American Society for Information Science and Technology
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Technology-acceptance tests are traditionally conducted after users have obtained at least a certain amount of experience with a technology. Taking college students who had no real interaction with a prospective eportfolio system, this study investigated both their perceptions of the system and the perceptions' association with attitude towards and intention of using the system. A pre-implementation value-assessment model was proposed, and the results indicate that for prospective users, attitudes appear to have the strongest significant direct effect on usage intentions. Perceived functional value serves as the preliminary conditions that mediate the effect of the perceived epistemic value on attitude. Perceived contextual value influences users' attitude and intention via the mediation of perceived epistemic value and perceived functional value. This model provides a systemic understanding of prospective users' perceptions of the system, and such an understanding can help change agents to examine their assumptions about prospective users' perceptions concerning the value and acceptance of a new technology.