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Award ID contains: 1619384

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  1. ; (, Proceedings of the 2019 CHI Conference on Human Factors in Computing Systems (CHI 2019))
    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. ; ; (, Proceedings of the 2019 CHI Conference on Human Factors in Computing Systems (CHI 2019))
    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. ; ; ; (, Proceedings of the 2018 ACM International Conference on Interactive Surfaces and Spaces (ISS 2018))
    Video and animation are common ways of delivering concepts that cannot be easily communicated through text. This visual information is often inaccessible to blind and visually impaired people, and alternative representations such as Braille and audio may leave out important details. Audio-haptic displays with along with supplemental descriptions allow for the presentation of complex spatial information, along with accompanying description. We introduce the Haptic Video Player, a system for authoring and presenting audio-haptic content from videos. The Haptic Video Player presents video using mobile robots that can be touched as they move over a touch screen. We describe the design of the Haptic Video Player system, and present user studies with educators and blind individuals that demonstrate the ability of this system to render dynamic visual content non-visually. 
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