Technology Acceptance Models (TAMS) and their Relations to ICT Adoption

Technology Acceptance Models (TAMS) and their Relations to ICT Adoption

Copyright: © 2015 |Pages: 14
DOI: 10.4018/978-1-4666-6579-8.ch008
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Abstract

The TPB might not be totally fit into technology acceptance in organizations unless certain elements are introduced. In the light of this, additional variables, such as perceived expressiveness, perceived enjoyment, perceived ease of use, and perceived usefulness have been introduced to TPB as determinants of attitude to optimise its prediction of intention-actual use behaviour towards technology to develop TAM. In other words, TAM model posits that if a user perceives that a given technology is useful, the person will hold a positive use-performance and strong intention based on his or her belief about it. Findings show that users are likely to accept application of technology when they perceive it easier for them to use, thereby inducing a positive attitude to their minds. However, some scholars have called for extension of TAM to meet the needs of different research settings, which has been discussed in other chapters of this book.
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Limitation Of Theory Of Planned Behaviour And The Emergent Of Tam

The theory of planned behaviour (TPB) has substantially helped academics and practitioners to infer the nature and magnitude of relationship between attitude, intention and behaviour. However, the TPB was later realised by scholars that some additional elements are to be incorporated to its model for better prediction of attitude-behaviour issues. In fact, the originator of the TPB himself has admitted the needs for extension based on several simulation studies. In the context of human behaviour towards ICT adoption and use, one of the major limitations of TPB lies in inability of the theory to address the substantial matter of concerns in technology itself. The focus of TPB lies in human reactions towards an object rather than the object per se, whereas TAM deals with the object in question. It assumes that the nature of the object (ICT) itself would determine or warrant intention of a person to use it or not to use it. Since then, TAM has over the years received huge attention from theorists (Davis, et al, 1989) in information and communications technology to explain the underlined relationship between human intention and adoption or acceptance of ICT than even the theory of planned behaviour (Ajzen, 1985).

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