A replicated study on correlating agile team velocity measured in function and story points

Hennie Huijgens, R. Solingen
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引用次数: 9

Abstract

Since the rapid growth of agile development methods for software engineering, more and more organizations measure the size of iterations, releases, and projects in both function points and story points. In 2011 Santana et al. performed a case study on the relation between function points and story points, from data collected in a Brazilian Government Agency. In this paper we replicate this study, using data collected in a Dutch banking organization. Based on a statistical correlation test we find that a comparison between function points and story points as measured in our repository indicates a moderate negative linear relation, where Santana et al. concluded a strong positive linear relation between both size metrics in their case study. Based on the outcome of our study we conclude that it appears too early to make generic claims on the relation between function points and story points; in fact FSM-theory seems to underpin that such a relationship is a spurious one.
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一个用功能和故事点衡量敏捷团队速度的重复研究
由于软件工程敏捷开发方法的快速发展,越来越多的组织在功能点和故事点上度量迭代、发布和项目的大小。2011年,Santana等人从巴西政府机构收集的数据中对功能点和故事点之间的关系进行了案例研究。在本文中,我们复制了这一研究,使用的数据收集在一家荷兰银行组织。基于统计相关性测试,我们发现在我们的存储库中测量的功能点和故事点之间的比较显示出适度的负线性关系,而Santana等人在他们的案例研究中得出了两个规模度量之间的强烈的正线性关系。根据我们的研究结果,我们得出结论,现在就对功能点和故事点之间的关系做出一般性的断言似乎还为时过早;事实上,fsm理论似乎支持这样一种关系是虚假的。
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