Blocks4All: Overcoming Accessibility Barriers to Blocks Programming for Children with Visual Impairments

Blocks4All: Overcoming Accessibility Barriers to Blocks Programming for Children with Visual Impairments
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Blocks4All:克服针对视力障碍儿童的 Blocks 编程的无障碍障碍

DOI:
10.1145/3173574.3173643
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发表时间:
2018
期刊:
Proceedings of the ACM Conference on Human Factors in Computing Systems
影响因子:
--
通讯作者:
Ladner, Richard E.
Ladner, Richard E.
中科院分区:
--
文献类型:
--
作者:
Milne, Lauren R.;Ladner, Richard E.

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基于块的编程环境是教儿童编程的流行工具,但它们严重依赖于视觉隐喻,因此不完全适合有视觉障碍的儿童。我们评估了现有的基于块的环境,并确定了视障用户的五个主要障碍。我们探讨了技术,以克服这些障碍,在采访中与教师的视障和形成性研究的触摸屏块为基础的环境与五个孩子的视觉障碍。我们将我们在可用的触摸屏交互上的发现提炼成基于块的环境设计师的指南。
Blocks-based programming environments are a popular tool to teach children to program, but they rely heavily on visual metaphors and are therefore not fully accessible for children with visual impairments. We evaluated existing blocks-based environments and identified five major accessibility barriers for visually impaired users. We explored techniques to overcome these barriers in an interview with a teacher of the visually impaired and formative studies on a touchscreen blocks-based environment with five children with visual impairments. We distill our findings on usable touchscreen interactions into guidelines for designers of blocks-based environments.
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