Learn More, Pay Less! Lessons Learned from Applying the Wizard-of-Oz Technique for Exploring Mobile App Requirements

Zahra Shakeri Hossein Abad, Shane D. V. Sims, Abdullah Cheema, M. B. Nasir, Payal Harisinghani
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引用次数: 10

Abstract

Mobile apps have exploded in popularity, encouraging developers to provide content to the massive user base of the main app stores. Although there exist automated techniques that can classify user comments into various topics with high levels of precision, recent studies have shown that the top apps in the app stores do not have customer ratings that directly correlate with the app's success. This implies that no single requirements elicitation technique can cover the full depth required to produce a successful product and that applying alternative requirements gathering techniques can lead to success when these two are combined. Since user involvement has been found to be the most impactful contribution to project success, in this paper we will explore how the Wizard-of-Oz (WOz) technique and user reviews available in Google Play, can be integrated to produce a product that meets the demand of more stakeholders than either method alone. To compare the role of early interactive requirements specification and app reviews, we conducted two studies: (i) a case study analysis on 13 mobile app development teams who used very early stages Requirements Engineering (RE) by applying WOz, and (ii) a study analyzing 40 (70, 592 reviews) similar mobile apps on Google Play. The results of both studies show that while each of WOz and app review analysis techniques can be applied to capture specific types of requirements, an integrated process including both methods would eliminate the communication gap between users and developers at early stages of the development process and mitigates the risk of requirements change in later stages.
学得多,花得少!运用Wizard-of-Oz技术探索移动应用需求的经验教训
手机应用大受欢迎,鼓励开发者向主要应用商店的庞大用户群提供内容。尽管现有的自动化技术可以高精度地将用户评论分类为不同的主题,但最近的研究表明,应用商店中排名靠前的应用并没有与应用成功直接相关的用户评分。这意味着,没有任何一种需求引出技术可以涵盖生产成功产品所需的全部深度,并且当这两种技术结合使用时,应用可选的需求收集技术可以导致成功。由于用户参与被认为是对项目成功最具影响力的贡献,在本文中,我们将探索如何将Wizard-of-Oz (WOz)技术和Google Play中可用的用户评论整合在一起,以生产满足更多利益相关者需求的产品,而不是单独使用任何一种方法。为了比较早期交互需求规范和应用程序审查的作用,我们进行了两项研究:(i)对13个移动应用程序开发团队进行了案例研究分析,这些团队通过应用WOz使用了非常早期阶段的需求工程(RE),以及(ii)对Google Play上40个(70,592条评论)类似的移动应用程序进行了研究分析。两项研究的结果都表明,虽然每一种WOz和应用程序审查分析技术都可以用于捕获特定类型的需求,但包括这两种方法的集成过程将消除开发过程早期用户和开发人员之间的沟通差距,并降低后期阶段需求变化的风险。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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