Reconceptualizing Technology Use And Information System Success: Developing And Testing A Theoretically Integrated Model

Abstract

Technology Acceptance Model (TAM) research, which pertains to how an information system can be initially adopted by members of an organization, was born two decades ago and grows into one of the pivotal theoretical foundations of the information systems (IS) discipline. However, many IS scholars indicate that recent TAM research fail to break the 20-years-old confinement and provide little intellectual value.To respond to this call for more intellectual depth in TAM research, this dissertation suggests multiple ways to rejuvenate the research stream. First, Bhattacherjee's IS use continuance model (2001), which is based on the Expectation-Disconfirmation Theory, was adopted as the overall theoretical foundation. Second, we reconceptualized the most important construct in the TAM model, i.e., perceived usefulness. Third, we proposed a technology use model (TUM) which integrate recent studies about IS use, facilitating conditions, and habit. Finally, we further integrated the technology use model with the IS success model. An empirical study, which involves a sample of 311 business professionals, has provided results that validated most of the proposed constructs and models. Significant contributions to research and practice for the IS discipline are identified and discussed.

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