Diffusion of Innovations and Compatibility Essay

1493 Words Jan 25th, 2013 6 Pages
“Theoretical and empirical research in technology acceptance, while acknowledging the importance of individual beliefs about the compatibility of a technology, has produced equivocal results” (Karahanna et al, 2006, p. 781). This study denotes the importance of integrating the compatibility construct within technology acceptance models as well as its confounding results in doing so. Rogers (1962) was the first one to introduce and define the term compatibility in his Innovation Diffusion Theory. “Compatibility assesses the extent of congruence between a new technology and various aspects of the individual and the situation in which the technology will be utilized” (Karahanna et al., 2006, p. 782). Diverse studies
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790). However, due to the cross-sectional nature of their study, any statement concerning causality is based on theoretical arguments rather than empirical facts. See figure 2 for the theoretical model proposed by Karahanna et al. (2006). Karahanna et al. (2006) concluded that three of the four compatibility variables (existing practices, experience and values), perceived usefulness, and perceived ease of use together explain as much as one-third of the variance in self-reported usage scope and about 25 percent of the variance in self-reported usage intensity. No significant relationships were discovered between the compatibility beliefs and the usage construct. Furthermore, 43 percent of the variance in perceived usefulness is explained by perceived ease of use and the three afore mentioned compatibility constructs. Finally, compatibility with existing practices and experience explain 33 percent of the variance in perceived ease of use.
Innovation Diffusion Theory (IDT)
Research on the diffusion of innovation has been widely applied in disciplines such as education, sociology, communication, agriculture, marketing, and information technology, etc (Rogers, 1995; Karahanna, et al., 1999;
Agarwal, Sambamurthy, & Stair, 2000). An innovation is “an idea, practice, or object that is perceived as new by an individual or another unit

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