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Technology acceptance model: A replicated test using TETRAD
Author(s) -
Liu Liping
Publication year - 2009
Publication title -
international journal of intelligent systems
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.291
H-Index - 87
eISSN - 1098-111X
pISSN - 0884-8173
DOI - 10.1002/int.20382
Subject(s) - nomological network , tetrad , spurious relationship , technology acceptance model , computer science , test (biology) , usability , isolation (microbiology) , structural equation modeling , machine learning , human–computer interaction , mathematics , paleontology , mathematical physics , biology , microbiology and biotechnology
The technology acceptance model proposes that ease of use and usefulness predict the acceptance of information technology. Since its inception, the model has been widely applied in understanding user acceptance behavior. In a recent study on e‐commerce applications, we surprisingly found that the model was validated when tested in isolation but failed within the larger nomological network. In this paper, we applied TETRAD III to explore the issue. As expected, we discovered two spurious associations in the model and fundamentally challenge its validity and hundreds of related studies. © 2009 Wiley Periodicals, Inc.

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