Modeling web-based information seeking by users who are blind
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Published on: March 27, 2013
Carissa Brunsman-Johnson1, Sundaram Narayanan, Wayne Shebilske
1Department of Biomedical, Industrial, and Human Factors Engineering, Wright State University, Dayton, OH 45435, USA. brunsman.3@wright.edu
Purpose:
This article describes website information seeking strategies used by users who are blind and compares those with sighted users. It outlines how assistive technologies and website design can aid users who are blind while information seeking.
Method:
People who are blind and sighted are tested using an assessment tool and performing several tasks on websites. The times and keystrokes are recorded for all tasks as well as commands used and spatial questioning.
Results:
Participants who are blind used keyword-based search strategies as their primary tool to seek information. Sighted users also used keyword search techniques if they were unable to find the information using a visual scan of the home page of a website. A proposed model based on the present study for information seeking is described.
Conclusions:
Keywords are important in the strategies used by both groups of participants and providing these common and consistent keywords in locations that are accessible to the users may be useful for efficient information searching. The observations suggest that there may be a difference in how users search a website that is familiar compared to one that is unfamiliar.
