Google DTorial: An interactive tutorial framework for blind users in a Web 2.0 world - Manual (Page 12)

Because there is such a burden on these users for adopting new technology, it is
incumbent upon us as researchers to explore new techniques and technologies to help
educate and inform users on how to use new software and the changing Internet.
This paper presents a new interaction model and its demonstration, called DTorial.
Unlike traditional tutorials that rely on images and video (inaccessible to VIUs),
DTorial is an interactive guide to a Web 2.0 application. DTorial was iterated upon
through five rounds of evaluation and redesign, with a total of 17 VIUs. Not only
were VIUs excited by our design, but there are interesting applications to the sighted
community as well.
Using the framework outlined by DTorial, we believe that Web 2.0 applications
can move from inaccessible obstacles to the visually impaired user, to just another
application to accomplish their goals. Our design cycle with visually impaired users,
indicate the potential effectiveness of DTorial and our model for teaching screen-
reader users new web applications.
9. Acknowledgements
We would like to thank all of our participants, Sensory Access Foundation, VISTA
Center for the Blind, and Lighthouse for the Blind.
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