(Springer, 2017) Adams, Saira-Banu; Tucker, William David; Venter, Isabella M.
Software applications use tooltips to assist users to improve their understanding of icons. When hovering over an icon with the cursor, a short text description of the icon appears. Text-based tooltips are helpful for users without any literacy limitations. An extension was created to generalize tooltips for users with low text literacy. In this case study and to explore such generalization, video based tooltips show short South African Sign Language clips to assist those who use South African Sign Language as a first language …