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Creators/Authors contains: "Koushik, Varsha"

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  1. Computer science education is widely viewed as a path to empowerment for young people, potentially leading to higher education, careers, and development of computational thinking skills. However, few resources exist for people with cognitive disabilities to learn computer science. In this paper, we document our observations of a successful program in which young adults with cognitive disabilities are trained in computing concepts. Through field observations and interviews, we identify instructional strategies used by this group, accessibility challenges encountered by this group, and how instructors and students leverage peer learning to support technical education. Our findings lead to guidelines for developing tools and curricula to support young adults with cognitive disabilities in learning computer science. 
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  2. Block-based programming languages can support novice programmers through features such as simplified code syntax and user-friendly libraries. However, most block-based programming languages are highly visual, which makes them inaccessible to blind and visually impaired students. To address the inaccessibility of block-based languages, we introduce StoryBlocks, a tangible block-based game that enables blind programmers to learn basic programming concepts by creating audio stories. In this paper, we document the design of StoryBlocks and report on a series of design activities with groups of teachers, Braille experts, and students. Participants in our design sessions worked together to create accessible stories, and their feedback offers insights for the future development of accessible, tangible programming tools. 
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  3. Introductory computer programming presents a number of challenges for blind and visually impaired screen reader users. In addition to the challenges of navigating complex code documents using a screen reader, novice programmers who are blind are often unable to experience fun coding projects such as programming games or animations. To address these accessibility barriers, we developed Bonk, an accessible programming environment that enables the creation of interactive audio games using a subset of the JavaScript programming language. Bonk enables novice programmers to create, share, play, and remix accessible audio games. In this paper, we introduce the Bonk programming toolkit and describe its use in a week-long programming workshop with blind and visually impaired high school students. Students in the workshop were able to create and share original audio games using Bonk, and expressed enthusiasm about furthering their programming knowledge. 
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