The influence of App churn on App success and StackOverflow discussions

Latifa Guerrouj, S. Azad, Peter C. Rigby
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引用次数: 49

Abstract

Gauging the success of software systems has been difficult in the past as there was no uniform measure. With mobile Application (App) Stores, users rate each App according to a common rating scheme. In this paper, we study the impact of App churn on the App success through the analysis of 154 free Android Apps that have a total of 1.2k releases. We provide a novel technique to extract Android API elements used by Apps that developers change between releases. We find that high App churn leads to lower user ratings. For example, we find that on average, per release, poorly rated Apps change 140 methods compared to the 82 methods changed by positively rated Apps. Our findings suggest that developers should not release new features at the expense of churn and user ratings. We also investigate the link between how frequently API classes and methods are changed by App developers relative to the amount of discussion of these code elements on StackOverflow. Our findings indicate that classes and methods that are changed frequently by App developers are in more posts on StackOverflow. We add to the growing consensus that StackOverflow keeps up with the documentation needs of practitioners.
应用流失率对应用成功的影响和StackOverflow讨论
在过去,由于没有统一的衡量标准,衡量软件系统的成功是很困难的。在移动应用程序商店中,用户根据一个通用的评级方案对每个应用程序进行评级。在本文中,我们通过分析154款总计发行1.2万次的免费Android应用,来研究应用流失对应用成功的影响。我们提供了一种新颖的技术来提取开发人员在不同版本之间更改的应用程序所使用的Android API元素。我们发现较高的应用流失率会导致较低的用户评级。例如,我们发现平均而言,每次发行,评价差的应用会改变140种方法,而评价好的应用会改变82种方法。我们的研究结果表明,开发者不应该以流失和用户评级为代价发布新功能。我们还调查了应用程序开发人员更改API类和方法的频率与StackOverflow上对这些代码元素的讨论量之间的联系。我们的研究结果表明,应用程序开发人员经常更改的类和方法在StackOverflow上的帖子更多。我们增加了越来越多的共识,即StackOverflow跟上了从业者的文档需求。
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