A Tangible Block Editor for the Scratch Programming Language

A Tangible Block Editor for the Scratch Programming Language
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Scratch 编程语言的有形块编辑器

DOI:
10.1145/3411763.3451833
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发表时间:
2021
期刊:
CHI '21
影响因子:
--
通讯作者:
Fusco, Giovanni
Fusco, Giovanni
中科院分区:
--
文献类型:
--
作者:
Goolsby, Bryson;Pawluk, Dianne;Kim, Hyun Woo;Fusco, Giovanni

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我们描述了用于教育编程语言Scratch的有形块编辑器的早期开发,旨在为盲人和视障(BVI)学生(6-12年级)在主流课堂上与有视力的同龄人(独立或结对)一起学习计算机编程概念的环境做出贡献。在这项最新的工作中,我们描述了我们的设计,它结合了Scratch可视化代码编辑器的许多关键策略,旨在促进参与度并降低编程障碍。该设计新颖的关键元素包括:策略性地使用磁铁和局部互锁块边缘来确保只有具有有效语法的块可以连接,使用伸缩管来指定参数/操作数位置并允许它们扩展以用于嵌套表达式,以及提供块大小的通道网格表面以提供结构来帮助英属维尔京群岛学生导航和操纵他们的程序。
We describe the early-stage development of a tangible block editor for the educational programming language Scratch that is intended to contribute to an environment that will allow blind and visually impaired (BVI) students (grades 6-12) to learn computer programming concepts alongside their sighted peers (both independently and in pairs) in mainstream classrooms. In this late breaking work, we describe our design that incorporates many of the key strategies of the Scratch visual code editor meant to promote engagement and lower hurdles to programming. Novel key elements of the design include: the strategic use of magnets and locally interlocking block edges to ensure only blocks with valid syntax can be connected, the use of telescoping tubing to specify parameter/operand location and allow their expansion for nested expressions and a block-sized-channel grid work surface that provides structure to aid BVI students in navigating and manipulating their programs.
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