Consumer trust in an Internet store
Information Technology and Management
Developing and Validating Trust Measures for e-Commerce: An Integrative Typology
Information Systems Research
Factors influencing the adoption of web-based shopping: the impact of trust
ACM SIGMIS Database
Acceptance of electronic tax filing: a study of taxpayer intentions
Information and Management
Influence of experience on personal computer utilization: testing a conceptual model
Journal of Management Information Systems
Information Systems Research
Toward a Generic Model of Trust for Electronic Commerce
International Journal of Electronic Commerce
International Journal of Electronic Commerce
International Journal of Electronic Commerce
Re-examining perceived ease of use and usefulness
MIS Quarterly
Trust and TAM in online shopping: an integrated model
MIS Quarterly
Diversity and diffusion of theories, models, and theoretical constructs in egovernment research
EGOV'11 Proceedings of the 10th IFIP WG 8.5 international conference on Electronic government
"IT's complicated...": influence of perceived sacrifice and trust on eservice adoption
EGOV'11 Proceedings of the 10th IFIP WG 8.5 international conference on Electronic government
A Conceptual Model for Examining E-Government Adoption in Jordan
International Journal of Electronic Government Research
Reflecting on E-Government Research: Toward a Taxonomy of Theories and Theoretical Constructs
International Journal of Electronic Government Research
Journal of Organizational and End User Computing
Proceedings of the 6th International Conference on Theory and Practice of Electronic Governance
Investigating consumer attitude and intention toward free trials of technology-based services
Computers in Human Behavior
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The United States Congress has set ambitious goals for the diffusion of e-government initiatives. One of congress' goals for the 2007 tax year was for 80% of tax and informational returns to be filed electronically (IRS., 2004). In 2008, 90 million Americans choose to e-file (IRS., 2009); however, Congress' goal of 80% adoption has still fallen short. This paper integrates the Unified Theory of Acceptance and Use of Technology (UTAUT) model, online trust, perceived risk, and optimism bias into a comprehensive model of e-file adoption. To empirically test the model a survey is administered to 260 United States taxpayers. Structural equation modeling is used to evaluate relationships between these concepts and intention to use. Results indicate performance expectancy, social influence, facilitating conditions, and optimism bias all have a significant impact on e-file intention. Trust in the internet and trust in the e-file provider were shown to significantly influence perceived risk. Implications for practice and research are discussed.