INTERNATIONAL JOURNAL OF HUMANCOMPUTER INTERACTION, 22(3), 247269 Copyright © 2007, Lawrence Erlbaum Associates, Inc. What Frustrates secretiveness Reader Users on the Web: A Study of 100 Blind Users Jonathan Lazar Aaron Allen Jason Kleinman Chris Malarkey Department of Computer and Information Sciences, Towson University In previous research, the computer frustrations of student and workplace users have been documented. However, the ch whollyenges demonstrate by blind users on the Web have non been previously examined. In this national, 100 blind users, using metre diaries, enter their frustrations using the Web. The top causes of frustration account were (a) rapscallion layout causation confusing pervade reader feedback; (b) conflict in the thick of filmdom reader and application; (c) poorly designed/ unlabelled forms; (d) no alt text for pictures; and (e) 3-way tie between lead links, inaccessible PDF, and a screen reader crash. Most of the causes of fr ustration, much(prenominal) as inappropriate form and graphic labels and confusing varlet layout, are relatively simple to solve if Webmasters and Web designers reduce on this effort. In addition, the more technically challenging frustrations, such as screen reader crashes and conflicts, need to be communicate by the screen reader developers.
Blind users in this study were belike to repeatedly attempt to solve a frustration, non give up, and non reboot the computer. In this study, the blind users reported losing, on average, 30.4% of clock time due to these frustrating situations. Implications for Web develo pers, screen reader developers, and screen r! eader users are discussed in this article. We admit Dr. Betsy Zaborowski, Brad Hodges, and Chris Danielsen, all from the National Federation of the Blind, for their assistance in participant enlisting and data collection. We also thank Jessica Lawrence, who was touch on in early stages of participant recruitment, and Jared Smulison and Ellen Libao, who ensured that participants got paid for their...
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