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Testing the Boundaries of the Technology Acceptance Model

Testing the Boundaries of the Technology Acceptance Model
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Author(s): Hock Chuan Chan (National University of Singapore, Singapore), Jill Stephanie Lam-Hang (National University of Singapore, Singapore), Hock Hai Teo (National University of Singapore, Singapore) and Jing Yang (National University of Singapore, Singapore)
Copyright: 2003
Pages: 4
Source title: Information Technology & Organizations: Trends, Issues, Challenges & Solutions
Source Editor(s): Mehdi Khosrow-Pour, D.B.A. (Information Resources Management Association, USA)
DOI: 10.4018/978-1-59140-066-0.ch016
ISBN13: 9781616921248
EISBN13: 9781466665330

Abstract

The technology acceptance model (TAM) has been tested for many different information technology (IT) applications, and has been found useful in explaining user behavioral intention (BI) to use. Studies have mainly focused on the applications, rather than the model itself. A survey on 200 undergraduate students who have previously used IT applications was conducted to determine the behavior of the model for all possible values of perceived usefulness (PU) and perceived ease of use (PEOU). This approach allows us to test the boundary values of PU and PEOU for which the model is applicable. Our findings show that BI could be expressed as a linear regression of PU, PEOU, and an interaction term PU*PEOU, covering all possible values of PU and PEOU. Consistent with previous studies, this study found that PU has a stronger effect than PEOU on BI. The interaction effect, hardly examined in previous studies, indicates that an increase in PEOU has more effect on BI when the PU is high, compared to when the PU is low. Implications for the TAM and practice are discussed.

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