Construction of an educational system that supports four-phases checking method for algorithms and programs

构建支持算法和程序四阶段检验方法的教育体系

基本信息

批准号：
17300265
负责人：
ITOH Yukihiro
金额：
$ 7.71万
依托单位：
Shizuoka University
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (B)
财政年份：
2005
资助国家：
日本
起止时间：
2005 至 2007
项目状态：
已结题

来源：
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-17300265/
关键词：
algorithm learning programming learning support for learning and teaching self-checking internet 学習・支援

项目摘要

[I]We constructed a network-based educational environment composed of the following components:[Algorithm editor]- We evaluated usability of our algorithm editor, then extended it considering novice learners' usage.- We developed a function that teacher can define vocabularies freely based on the exercises that he/she sets, and that learners can representtheir algorithm by using the vocabularies.[Algorithm compiler]- We extended it to be able to compile algorithms represented by the vocabularies defined by teachers.[Comparing unit between algorithm and programs]- We developed some heuristics in order to make the processing speed of the unit quicker.- We extended the unit to be able to perform 'localized comparing'. It means comparison in which only the parts of an algorithm representation designated by a teacher are compared with learners' programs.[Correspondence viewer between algorithm and programs]- We implemented the viewer, and extend it to make its usability better.[Qualifying t … More ool for learners' programs]- We use a qualifying tool for built-in program codes to generate advices for learners. However, the advices are too many and difficult for novice learners. Therefore, we developed an additional tool for reducing advices. Moreover, we developed a filtering tool that rewrites the advices easier.[2] We evaluated our system experimentally.- We applied our system to an actual class of programming in a university. At first learners writes algorithm by algorithm editor. Then they compile the algorithm to get executable files. They execute them and confirm validity of the results. After that, they write source codes. We observed learners' behavior and asked them usability of the system by questionnaire. Consequently, we found our system has a certain pedagogical effectiveness.- We asked teachers of novice and intermediate programming class to evaluate learners' programs by our system. We found some advantages of our system. For example, correctness of their evaluation is increased. Less

[i]我们构建了一个基于网络的组成的组成的组成部分：我们评估了算法编辑器的可用性，然后扩展了它，以同意新手学习者的用法。-我们开发了一种函数，教师可以根据练习来定义词汇，以此来定义词汇。她设定了，学习者可以使用词汇来抑制算法，以汇编由老师定义的词汇来抑制算法'这是指教师指定的算法的部分与学习者的建议相比。此外，我们更容易地开发了一种过滤工具[2]我们将系统应用于大学中的实际程序。问卷问他们的可用性。增加