移动交互分析:迈向交互序列挖掘的新概念

Florian Lettner, C. Grossauer, Clemens Holzmann
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引用次数: 12

摘要

在手机可用性分析中,识别用户在智能手机上启动应用程序时的意图,并了解他们实际执行的任务是一个关键问题。首先,了解用户实际执行哪些任务是计算常见可用性指标(如任务效率、错误率和有效性)所必需的。其次,了解用户如何执行这些任务对于开发人员来说是很重要的,以便验证为任务设计的交互序列(例如,成功执行和完成任务所需的顺序步骤)。在本文中,我们描述了一种新的方法,用于自动从用户中提取和分组交互序列,将它们分配给预定义的任务(例如写电子邮件),并以直观的方式将它们可视化。因此,我们能够发现设计师关于用户应该如何执行设计任务的意图,以及他们如何在现场执行这些任务,是否匹配,以及它们在哪里不同。这使我们能够弄清楚用户是否找到执行某些任务的替代方法,这有助于应用程序设计过程。此外,如果用户对任务的感知与设计师的意图不同,我们为识别用户在执行任务时可能遇到的问题奠定了基础。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Mobile interaction analysis: towards a novel concept for interaction sequence mining
Identifying intentions of users when they launch an application on their smartphone, and understanding which tasks they actually execute, is a key problem in mobile usability analysis. First, knowing which tasks users actually execute is required for calculating common usability metrics such as task efficiency, error rates and effectiveness. Second, understanding how users perform these tasks is important for developers in order to validate designed interaction sequences for tasks (e.g. sequential steps required to successfully perform and complete a task). In this paper, we describe a novel approach for automatically extracting and grouping interaction sequences from users, assigning them to predefined tasks (e.g. writing an email) and visualising them in an intuitive way. Thus, we are able to find out if the designer's intention of how users should perform designed tasks, and how they actually execute them in the field, matches, and where it differs. This allows us to figure out if users find alternate ways of performing certain tasks, which contributes to the application design process. Moreover, if the users' perception of tasks differs from the designer's intention, we lay the foundation for recognising issues users may have while executing them.
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