Extending the technology acceptance model with task–technology fit constructs

During the past decade, two significant models of information technology (IT) utilization behavior have emerged in the MIS literature. These two models, the technology acceptance model (TAM) and the task–technology fit model (TTF), provide a much needed theoretical basis for exploring the factors th...

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Bibliographic Details
Published in:Information & management 1999-07, Vol.36 (1), p.9-21
Main Authors: Dishaw, Mark T, Strong, Diane M
Format: Article
Language:English
Subjects:
Applied sciences
Computer science
control theory
systems
Computer systems and distributed systems. User interface
Exact sciences and technology
Information technology
Software
Software utilization
Studies
TAM
Task–technology fit
Technological planning
Technology Acceptance Model
TTF
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Summary:During the past decade, two significant models of information technology (IT) utilization behavior have emerged in the MIS literature. These two models, the technology acceptance model (TAM) and the task–technology fit model (TTF), provide a much needed theoretical basis for exploring the factors that explain software utilization and its link with user performance. These models offer different, though overlapping perspectives on utilization behavior. TAM focuses on attitudes toward using a particular IT which users develop based on perceived usefulness and ease of use of the IT. TTF focuses on the match between user task needs and the available functionality of the IT. While each of these models offers significant explanatory power, a model that integrates constructs from both may offer a significant improvement over either model alone. We discuss the theoretical foundation of both these models and present a theoretical rationale for an integrated model. The result is an extension of TAM to include TTF constructs. We test our integrated IT utilization model using path analysis. Our integrated model provides more explanatory power than either model alone. Research using the integrated model should lead to a better understanding of choices about using IT.
ISSN:0378-7206
1872-7530
DOI:10.1016/S0378-7206(98)00101-3