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Coppers context, and conjoints: A reassessment of TAM

机译：铜的背景和联系：TAM的重新评估

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摘要

This study examines the role and explanatory value of context-, task- and information-related characteristics vis-a-vis individual characteristics in relation with respect to the adoption of mobile technologies and applications. We combine insights from adoption and acceptance literature with media choice and task-technology fit theories. These insights are applied to a case in which police officers use mobile communication tools and information technologies. Officers were asked which mobile applications they preferred to use in specific situations (contexts) and for specific tasks. In a structural equation model focusing exclusively on individual TAM-related characteristics, such as perceived usefulness and perceived ease of use, as well as on a generic media fit concept, the explanatory value of these concepts turns out to be high. We extend our study, based on Ajzen and Madden (1986) by arguing that, in addition to personal characteristics, contextual characteristics, in combination with task-related characteristics, play an important role in people's preferences for specific technologies. Conjoint analysis focusing on contextual and task-related characteristics yields relevant insights. When context-related and individual characteristics are combined into a single hierarchical linear model, the significance of the concepts used in TAM turns out to be low, while context-related issues stand out. On the basis of our research, we conclude that TAM models are too generic to fully explain people's intention to use mobile technologies. Future research should aim at developing models that take contextual and task-related factors into account when studying mobile applications.
机译：这项研究考察了与上下文，任务和信息相关的特征相对于在采用移动技术和应用程序方面的个人特征的作用和解释价值。我们将采用和接受文献的见解与媒体选择和任务技术适合的理论相结合。这些见解适用于警官使用移动通信工具和信息技术的情况。询问官员，他们希望在特定情况（上下文）和特定任务中使用哪种移动应用程序。在仅关注与TAM相关的各个特征（例如，感知的有用性和感知的易用性）以及通用媒体拟合概念的结构方程模型中，这些概念的解释价值很高。我们基于Ajzen和Madden（1986）扩展了我们的研究，认为除个人特征外，上下文特征以及与任务相关的特征在人们对特定技术的偏好中也起着重要的作用。专注于上下文和任务相关特征的联合分析产生了相关的见解。当将与上下文相关的特征和单个特征组合到单个分层线性模型中时，TAM中使用的概念的重要性被证明很低，而与上下文相关的问题则更为突出。根据我们的研究，我们得出结论，TAM模型过于笼统，无法完全解释人们使用移动技术的意图。未来的研究应着眼于开发模型，在研究移动应用程序时考虑到上下文和与任务相关的因素。

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