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RESEARCH PRODUCT

Evidence-based programming language design : a philosophical and methodological exploration

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Background: Programming language design is not usually informed by empirical studies. In other fields similar problems have inspired an evidence-based paradigm of practice. Such a paradigm is practically inevitable in language design, as well. Aims: The content of evidence-based programming design (EB-PLD) is explored, as is the concept of evidence in general. Additionally, the extent of evidence potentially useful for EB-PLD is mapped, and the appropriateness of Cohen’s kappa for evaluating coder agreement in a secondary study is evaluated. Method: Philosophical analysis and explication are used to clarify the unclear. A systematic mapping study was conducted to map out the existing body of evidence. Results: Evidence is a report of observations that affects the strength of an argument. There is some but not much evidence. EB-PLD is a five-step process for resolving uncertainty about design problems. Cohen’s kappa is inappropriate for coder agreement evaluation in systematic secondary studies. Conclusions: Coder agreement evaluation should use Scott’s pi, Fleiss’ kappa, or Krippendorff’s alpha. EB-PLD is worthy of further research, although its usefulness was out of scope here.