Software engineering is a highly dynamic discipline. Hence, as times change, so too might our beliefs about core processes in this field. This paper checks some five beliefs that originated in the past decades that comment on the relationships between (i) developer productivity; (ii) software quality and (iii) years of developer experience. Using data collected from 1,356 developers in the period 1995 to 2006, we found support for only one of the five beliefs titled "Quality entails productivity". We found no clear support for four other beliefs based on programming languages and software developers. However, from the sporadic evidence of the four other beliefs we learned that a narrow scope could delude practitioners in misinterpreting certain effects to hold in their day to day work. Lastly, through an aggregated view of assessing the five beliefs, we find programming languages act as a confounding factor for developer productivity and software quality. Thus the overall message of this work is that it is both important and possible to revisit old beliefs in SE. Researchers and practitioners should routinely retest old beliefs.
翻译：软件工程是一个高度动态的学科。 因此,随着时间的变化,我们对于该领域核心过程的信念也会随之改变。 本文检查了过去几十年中出现的关于以下关系的一些五种信念:(一) 开发者生产率;(二) 软件质量和(三) 开发者多年经验。 使用1995-2006年期间从1,356个开发者收集的数据,我们发现我们只支持题为“质量意味着生产力”的五种信念中的一种。我们发现,我们没有明确支持基于编程语言和软件开发者的另外四种信念。然而,从零星的证据中我们了解到,从其他四种信念中我们了解到,狭小的范围可以欺骗从业者对日常工作的某些效果进行曲解。 最后,通过综合评估这五种信念,我们发现编程语言是开发者生产率和软件质量的混合因素。 因此,这项工作的总体信息是,在东南欧重新审视旧的信念既重要又可能。 研究人员和从业人员应该定期重新验证旧信念。
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