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Novice digital service designers' decision-making with decision aids — A comparison of taxonomy and tags
Decision Support Systems ( IF 6.7 ) Pub Date : 2020-07-24 , DOI: 10.1016/j.dss.2020.113367
Xuanhui Liu , Karl Werder , Alexander Maedche

Digital services are a key driver of contemporary businesses. In order to scale the implementation of design-centric development processes, companies increasingly assign design work to design novices. As design novices have limited design knowledge and experience, they are challenged to select adequate design techniques throughout the entire lifecycle of digital services. Thus, providing decision aids to design novices is becoming increasingly important. In this research, we investigate taxonomy-based and tags-based decision aids. We draw on cognitive fit theory to construct a research model explaining the relationship between different decision aids and selection accuracy while considering the cognitive effort and the decision styles of novice designers. To test our hypotheses, we conducted a between-subject laboratory experiment with 195 subjects. Our experimental results provide extensive support to our hypotheses. Taxonomy-based decision aids outperform tags-based decision aids concerning selection accuracy mediated by cognitive effort. Furthermore, the results suggest rational decision style as a moderator in the relationship between taxonomy-based decision aids and selection accuracy. Our results have practical implications: First, taxonomy-based decision aids should be primarily leveraged on decision support platforms supporting design processes. Second, design novices' decision style and cognitive effort are influential factors when developing decision aids to support digital service design processes.



中文翻译:

新手数字服务设计师使用决策辅助工具进行决策—分类法和标签的比较

数字服务是当代企业的关键驱动力。为了扩展以设计为中心的开发过程的实施,公司越来越多地将设计工作分配给设计新手。由于设计新手的设计知识和经验有限,因此他们面临着在数字服务的整个生命周期中选择适当的设计技术的挑战。因此,为新手提供决策帮助变得越来越重要。在这项研究中,我们研究了基于分类法和基于标签的决策辅助工具。我们利用认知适合度理论构建一个研究模型,该模型解释了不同决策辅助工具与选择准确性之间的关系,同时考虑了新手设计师的认知努力和决策风格。为了检验我们的假设,我们进行了195个受试者的学科间实验室实验。我们的实验结果为我们的假设提供了广泛的支持。基于分类法的决策辅助方法优于基于标签的决策辅助工具,该决策辅助工具涉及认知努力介导的选择准确性。此外,结果表明,在基于分类的决策辅助工具与选择准确性之间的关系中,作为主持人的理性决策风格。我们的结果具有实际意义:首先,基于分类法的决策辅助工具应主要用于支持设计过程的决策支持平台。其次,设计新手的决策风格和认知努力是开发支持数字服务设计过程的决策辅助工具时的影响因素。基于分类法的决策辅助方法优于基于标签的决策辅助工具,该决策辅助工具涉及认知努力介导的选择准确性。此外,结果表明,在基于分类的决策辅助工具与选择准确性之间的关系中,作为主持人的理性决策风格。我们的结果具有实际意义:首先,基于分类法的决策辅助工具应主要用于支持设计过程的决策支持平台。其次,设计新手的决策风格和认知努力是开发支持数字服务设计过程的决策辅助工具时的影响因素。基于分类法的决策辅助方法优于基于标签的决策辅助工具,该决策辅助工具涉及认知努力介导的选择准确性。此外,结果表明,在基于分类的决策辅助工具与选择准确性之间的关系中,作为主持人的理性决策风格。我们的结果具有实际意义:首先,基于分类法的决策辅助工具应主要用于支持设计过程的决策支持平台。其次,设计新手的决策风格和认知努力是开发支持数字服务设计流程的决策辅助工具时的影响因素。我们的结果具有实际意义:首先,基于分类法的决策辅助工具应主要用于支持设计过程的决策支持平台。其次,设计新手的决策风格和认知努力是开发支持数字服务设计过程的决策辅助工具时的影响因素。我们的结果具有实际意义:首先,基于分类法的决策辅助工具应主要用于支持设计过程的决策支持平台。其次,设计新手的决策风格和认知努力是开发支持数字服务设计过程的决策辅助工具时的影响因素。

更新日期:2020-08-19
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