Understanding the factors influencing user acceptance of technology: A meta-analysis

In the past three decades, many theories such as TAM, TPB, TRA, and IDT, have been proposedby researchers to understand the underlying factors that influence user acceptance of IT/IS and WWW technologies. The diversity of theoretical models has resulted in a long list of constructs that were claimed to influence user acceptance of technology. There is some overlap among the constructs, and the definition of the constructs has caused confusion. In addition, contradictory results have been reported across studies examining the aforementioned models. In order to disambiguate the existing studies, a meta-analysis of the relationships between user acceptance and five of its potential determinants has been carried out. This resulted in statistically significant associations for performance expectancy, effort expectancy, social influence, facilitating conditions and attitude. Further moderator analysis indicates that stage of adoption and role of subject are more effective moderators than type of technology and environment of study. These results have important implications for launch and marketing of technology.