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This article describes the mediated American Sing Language (ASL) presentation of technical vocabulary and definitions within the context of a web-based astronomy course for first year students at the National Technical Institute for the Deaf at Rochester Institute of Technology (Rochester, NY). Deaf students showed achievement gains with fewer astronomy misconceptions. Also, student ratings of instructor ASL skill, as reported on the student rating system, were higher after students used the ASL vocabulary videos.
Egelston-Dodd, Judy and Ting, Simon
"Video-Tutorials for Tech Sign Vocabulary in Astronomy,"
Journal of Science Education for Students with Disabilities: Vol. 12
Available at: http://scholarworks.rit.edu/jsesd/vol12/iss1/3