Investigating Challenges Faced by Learners with Visual Impairments using Block-Based Programming/Hybrid Environments
Investigating Challenges Faced by Learners with Visual Impairments using Block-Based Programming/Hybrid Environments
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使用基于块的编程/混合环境调查有视觉障碍的学习者面临的挑战
DOI：
10.1145/3373625.3417998
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发表时间：
2020
期刊：
影响因子：
--
通讯作者：
S. Ludi
中科院分区：
文献类型：
--
作者：
Aboubakar Mountapmbeme;S. Ludi
随着基于块的编程环境在K-12课程中的使用，为了为所有学生提供了访问的需求。学习编程并使用相同的系统参与计算思维活动，这些系统对大多数视力学习者有吸引力。因此，在教育环境中，我们与有视觉障碍的学生进行了一项调查，以了解这些系统在教导他们的学生时使用这些系统并了解学生在学习过程中面临的障碍。我们的研究表明，在教师中只有一个基于块的编程环境，并且存在一些挑战。难以编辑和导航代码，以无效的系统反馈。
With an increase in the use of block-based programming environments in k-12 curriculum, the need for accessibility exists in order to serve all students. Accessible block-based systems are in their infancy. Such systems would provide students with visual impairments the opportunity to learn programming and take part in computational thinking activities using the same systems that are found appealing to most sighted learners. However, with the presence of these systems little is known about their long-term use in the educational milieu. As a result, we conducted a survey with twelve teachers of students with visual impairments to learn about the use of these systems in teaching their students and to understand the barriers that students face in the learning process. Our study reveals that only one block-based programming environment is common among teachers and that several challenges exist. These challenges range from limited learners’ preparedness through difficulties editing and navigating code, to ineffective system feedback.
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