The Technology Acceptance Model, version 1. (Davis, Bagozzi & Warshaw 1989)
Penelitian ini sesuai dengan kerangka pemikiran adalah sebagai berikut: H1: Perceived usefulness berpengaruh secara positif terhadap intention to use e-ticketing Perceived ease of use menurut penelitian (Lee & Wan, 2010) merupakan persepsi kemudahan kemudahan penggunaan yang mengacu pada upaya kognitif yang. Tidak seperti riset dalam bidang ekonomi, marketing, dan lain-lain, dimana telah banyak riset semacam itu, riset di bidang teknologi informasi (TI) merupakan sesuatu yang baru yang menarik perhatian. Tujuan utama dari riset TI adalah untuk mengkaji nilai dari TI bagi suatu organisasi dan untuk memahami faktor-faktor yang mempengaruhi (determinant) nilai tersebut.
The technology acceptance model (TAM) is an information systems theory that models how users come to accept and use a technology. The model suggests that when users are presented with a new technology, a number of factors influence their decision about how and when they will use it, notably:
- Perceived usefulness (PU) – This was defined by Fred Davis as 'the degree to which a person believes that using a particular system would enhance his or her job performance'.
- Perceived ease-of-use (PEOU) – Davis defined this as 'the degree to which a person believes that using a particular system would be free from effort' (Davis 1989).
The TAM has been continuously studied and expanded—the two major upgrades being the TAM 2 (Venkatesh & Davis 2000 & Venkatesh 2000) and the Unified Theory of Acceptance and Use of Technology (or UTAUT, Venkatesh et al. 2003). A TAM 3 has also been proposed in the context of e-commerce with an inclusion of the effects of trust and perceived risk on system use (Venkatesh & Bala 2008).
![Perceived Perceived](http://1.bp.blogspot.com/-uZ5Mlja7rNA/T33IG_trPUI/AAAAAAAAADo/FItYev7wpwE/w1200-h630-p-k-no-nu/SEM.jpg)
History[edit]
TAM is one of the most influential extensions of Ajzen and Fishbein's theory of reasoned action (TRA) in the literature. Davis's technology acceptance model (Davis, 1989; Davis, Bagozzi, & Warshaw, 1989)is the most widely applied model of users' acceptance and usage of technology(Venkatesh, 2000). It was developed by Fred Davis and Richard Bagozzi (Davis 1989, Bagozzi, Davis & Warshaw 1992[1]). TAM replaces many of TRA's attitude measures with the two technology acceptance measures--ease of use, and usefulness. TRA and TAM, both of which have strong behavioural elements, assume that when someone forms an intention to act, that they will be free to act without limitation. In the real world there will be many constraints, such as limited freedom to act (Bagozzi, Davis & Warshaw 1992).
Bagozzi, Davis and Warshaw say:
- Because new technologies such as personal computers are complex and an element of uncertainty exists in the minds of decision makers with respect to the successful adoption of them, people form attitudes and intentions toward trying to learn to use the new technology prior to initiating efforts directed at using. Attitudes towards usage and intentions to use may be ill-formed or lacking in conviction or else may occur only after preliminary strivings to learn to use the technology evolve. Thus, actual usage may not be a direct or immediate consequence of such attitudes and intentions. (Bagozzi, Davis & Warshaw 1992)
Earlier research on the diffusion of innovations also suggested a prominent role for perceived ease of use. Tornatzky and Klein (Tornatzky & Klein 1982) analysed the adoption, finding that compatibility, relative advantage, and complexity had the most significant relationships with adoption across a broad range of innovation types. Eason studied perceived usefulness in terms of a fit between systems, tasks and job profiles, using the terms 'task fit' to describe the metric (quoted in Stewart 1986) Legris, Ingham & Collerette 2003 suggest that TAM must be extended to include variables that account for change processes and that this could be achieved through adoption of the innovation model into TAM.
Usage[edit]
Several researchers have replicated Davis's original study (Davis 1989) to provide empirical evidence on the relationships that exist between usefulness, ease of use and system use (Adams, Nelson & Todd 1992; Davis 1989; Hendrickson, Massey & Cronan 1993; Segars & Grover 1993; Subramanian 1994; Szajna 1994). Much attention has focused on testing the robustness and validity of the questionnaire instrument used by Davis. Adams et al. (Adams 1992) replicated the work of Davis (Davis 1989) to demonstrate the validity and reliability of his instrument and his measurement scales. They also extended it to different settings and, using two different samples, they demonstrated the internal consistency and replication reliability of the two scales. Hendrickson et al. (Hendrickson, Massey & Cronan 1993) found high reliability and good test-retest reliability. Szajna (Szajna 1994) found that the instrument had predictive validity for intent to use, self-reported usage and attitude toward use. The sum of this research has confirmed the validity of the Davis instrument, and to support its use with different populations of users and different software choices.
Segars and Grover (Segars & Grover 1993) re-examined Adams et al.'s (Adams, Nelson & Todd 1992) replication of the Davis work. They were critical of the measurement model used, and postulated a different model based on three constructs: usefulness, effectiveness, and ease-of-use. These findings do not yet seem to have been replicated. However, some aspects of these findings were tested and supported by Workman (Workman 2007) by separating the dependent variable into information use versus technology use.
Mark Keil and his colleagues have developed (or, perhaps rendered more popularisable) Davis's model into what they call the Usefulness/EOU Grid, which is a 2×2 grid where each quadrant represents a different combination of the two attributes. In the context of software use, this provides a mechanism for discussing the current mix of usefulness and EOU for particular software packages, and for plotting a different course if a different mix is desired, such as the introduction of even more powerful software (Keil, Beranek & Konsynski 1995).The TAM model has been used in most technological and geographic contexts. One of these contexts is health care, which is growing rapidly [2]
Venkatesh and Davis extended the original TAM model to explain perceived usefulness and usage intentions in terms of social influence (subjective norms, voluntariness, image) and cognitive instrumental processes (job relevance, output quality, result demonstrability, perceived ease of use). The extended model, referred to as TAM2, was tested in both voluntary and mandatory settings. The results strongly supported TAM2 (Venkatesh & Davis 2000).
In an attempt to integrate the main competing user acceptance models, Venkatesh et al. formulated the unified theory of acceptance and use of technology (UTAUT). This model was found to outperform each of the individual models (Adjusted R square of 69 percent) (Venkatesh et al. 2003). UTAUT has been adopted by some recent studies in healthcare.[3]
Alternative models[edit]
- The MPT model: Independent of TAM, Scherer (Scherer 1986) developed the matching person and technology model in 1986 as part of her National Science Foundation-funded dissertation research. The MPT model is fully described in her 1993 text (Scherer 2005, 1st ed. 1993), 'Living in the State of Stuck', now in its 4th edition. The MPT model has accompanying assessment measures used in technology selection and decision-making, as well as outcomes research on differences among technology users, non-users, avoiders, and reluctant users.
- The HMSAM: TAM has been effective for explaining many kinds of systems use (i.e. e-learning, learning management systems, webportals, etc.) (Fathema, Sutton, 2013, Fathema, Shannon, Ross, 2015, Fathema, Ross, Witte, 2014). However, TAM is not ideally suited to explain adoption of purely intrinsic or hedonic systems (e.g., online games, music, learning for pleasure). Thus, an alternative model to TAM, called the hedonic-motivation system adoption model (HMSAM) was proposed for these kinds of systems by Lowry et al. (Lowry et al.). HMSAM is designed to improve the understanding of hedonic-motivation systems (HMS) adoption. HMS are systems used primarily to fulfill users' intrinsic motivations, such for online gaming, virtual worlds, online shopping, learning/education, online dating, digital music repositories, social networking, only pornography, gamified systems, and for general gamification. Instead of a minor TAM extension, HMSAM is an HMS-specific system acceptance model based on an alternative theoretical perspective, which is in turn grounded in flow-based cognitive absorption (CA). HMSAM may be especially useful in understanding gamification elements of systems use.
- Extended TAM: Several studies proposed extension of original TAM (Davis, 1989) by adding external variables in it with an aim of exploring the effects of external factors on users' attitude, behavioral intention and actual use of technology. Several factors have been examined so far. For example, perceived self-efficacy, facilitating conditions, and systems quality (Fathema, Shannon, Ross, 2015, Fathema, Ross, Witte, 2014). This model has also been applied in the acceptance of health care technologies.[4]
Criticisms[edit]
TAM has been widely criticised, despite its frequent use, leading the original proposers to attempt to redefine it several times. Criticisms of TAM as a 'theory' include its questionable heuristic value, limited explanatory and predictive power, triviality, and lack of any practical value (Chuttur 2009). Benbasat and Barki suggest that TAM 'has diverted researchers' attention away from other important research issues and has created an illusion of progress in knowledge accumulation. Furthermore, the independent attempts by several researchers to expand TAM in order to adapt it to the constantly changing IT environments has lead [sic] to a state of theoretical chaos and confusion' (Benbasat & Barki 2007). In general, TAM focuses on the individual 'user' of a computer, with the concept of 'perceived usefulness', with extension to bring in more and more factors to explain how a user 'perceives' 'usefulness', and ignores the essentially social processes of IS development and implementation, without question where more technology is actually better, and the social consequences of IS use. Lunceford argues that the framework of perceived usefulness and ease of use overlooks other issues, such as cost and structural imperatives that force users into adopting the technology.[5] For a recent analysis and critique of TAM, see Bagozzi (Bagozzi 2007).
Legris et al.[6] claim that, together, TAM and TAM2 account for only 40% of a technological system's use.
Perceived ease of use is less likely to be a determinant of attitude and usage intention according to studies of telemedicine (Hu et al. 1999), mobile commerce (Wu & Wang 2005, and online banking (Pikkarainen 2004).
A study conducted by Okafor, D. J., Nico, M. & Azman, B. B. (2016) discovered that perceived ease of use doesn't have any influence on the adoption of multimedia online technologies for Malaysian SMEs. The answers from the participants in this study suggest that, for them, perceived ease of use was not indicative of their behavioural intention to adopt multimedia online technologies (MOT) in the future. Instead of not adopting MOT, if they are complicated some participants said they are willing to learn it or practice more.
See also[edit]
References[edit]
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- ^Lunceford, Brett (2009). 'Reconsidering Technology Adoption and Resistance: Observations of a Semi-Luddite'. Explorations in Media Ecology. 8 (1): 29–47.
- ^Legris et al. 2003, p. 191.
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