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A design and evaluation framework for visual programming codes

机译：视觉编程代码的设计与评估框架

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This paper aims to investigate, classify and establish appropriate benchmarks for visual programming codes. For the present study we have relied on the use of the Scratch-2 visual programming language. Scratch-2 is very popular as an introductory programming language at primary education and at the first years of secondary education in Greece. Initially, an evaluation framework, named VPLEF (Visual Programming Languages Evaluation Framework), is constructed based on several selected criteria. Since the observation of the visual code is not easy in the programming environment, we adopted the codOrama tool for a more consistent representation of the Sctrach-2 codes, aiming to identify the code characteristics, which were then associated with the evaluation criteria. We focuson the evaluation criteria of user interactivity, communication and parallelism-linearity of VPLEF and on two groups of commands, namely on “Control” and Event”, in conjunction with the system arguments. The study of the aforementioned entities leads us to a set of specified relationships of each of these three criteria with the command/argument combinations. Finally, an evaluation process is proposed to quantify the contribution of each combination to a specific criterion.
机译：本文旨在调查，分类和建立可视化编程代码的适当基准。对于目前的研究，我们依赖于使用Scratch-2可视化编程语言。 Scratch-2非常受到在小学教育的介绍性编程语言中，并且在希腊中学的第一年。最初，基于多个选定的标准构建了名为VPLE（可视化编程语言评估框架）的评估框架。由于在编程环境中观察到视觉代码不容易，因此我们采用了Codorama工具，以获得SCTRACH-2代码的更一致表示，目的是识别与评估标准相关联的代码特征。我们将vplef和两组命令的用户交互，通信和并行线性的评估标准重点介绍，即在“控制”和事件上，结合系统参数。对上述实体的研究将我们带来了一组与命令/参数组合的这三个标准中的每一个的一组特定关系。最后，提出了评估过程来量化每个组合到特定标准的贡献。

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