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The unified theory of acceptance and use of technology (UTAUT) is a multi-perspective model produced by Venkatesh et al. (2003). The UTAUT symbolises four fundamental determinants (Venkatesh et al., 2003), directly caused by user intention and the employment of potential user actions. The UTAUT primarily calculates the probability of user acceptance in regard to technological solutions and aids the understanding of components to actively prepare mediation for potentially problematic scenarios (Venkatesh et al., 2003), figure 1.0 visually represents the research model. The UTAUT delivers a foundation for future acceptance analysis and research, by incorporating a descriptive stimulus from other theoretical models, including the theory of reasoned action, technology acceptance model, motivational model, theory of planned behaviour, innovation diffusion theory and social cognitive theory (Venkatesh et al., 2003). The UTAUT has correctly established a key “proportion of variance”


(Casey and Wilson-Evered, 2012, p.2035) influencing user behaviour and intention (Venkatesh et al., 2003; Anderson, Schwager, & Kerns, 2006; Casey and Wilson-Evered, 2012); the diversification of the UTAUT framework offers appropriate constructs to cultivate an understanding of user acceptance in relation to assistive technologies targeting patients with dementia.

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The UTAUT represents four determining factors; facilitating conditions, social influence, effort expectancy and performance expectancy (Venkatesh et al., 2003). Performance and effort expectancy signify the fundamental aims of a user similarly to social influence; however facilitating conditions respectively denote behavioural use (Venkatesh et al., 2003). Venkatesh et al. (2003) imply gender, age, experience and voluntariness of use can be influential to the four central determinants, influencing a user’s overall acceptance and use of technology. Table 1.0 outlines the definitions of each of the determinants, as defined by Venkatesh et al. (2003) along with similar theoretical principles, dependent and moderating variables (Venkatesh et al., 2003; Casey and Wilson-Evered, 2012). The four determinants central to the UTAUT framework have been taken to explain approximately 70% “of the variance in behavioural intention to use a technology” (Venkatesh, Thong and Xu, 2012) and roughly 50% “of the variance in technology use” (Venkatesh, Thong and Xu, 2012).

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