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Adopting a scenario-based approach to test a modified search engine user interface for the blind

机译:采用基于场景的方法来测试盲人的修改后的搜索引擎用户界面

摘要

Search engines have become an indispensable tool for retrieving information from the Internet; thus simple and effective interaction is important for anyone and especially for blind users who navigate via screen reader. We believe that an appropriately designed user interface is crucial for improving accessibility and usability. For this reason we proposed a set of specific guidelines that would improve interaction of the blind with search engines and applied them to Google, modifying the source code of its simple search interfaces while maintaining the same graphical layout. In this paper we discuss user interaction with both the original and modified Google UIs, presenting two scenarios of use in which two blind persons were assigned the same search task. In both scenarios the modified UIs improve the sequential access furnished by screen reader since the contentu27s internal structure has changed by moving at the top of the page source file the parts that the user judges more important, i.e. the search box on the home page and the query results in the result page.
机译:搜索引擎已成为从Internet检索信息必不可少的工具。因此,简单有效的互动对任何人都非常重要,尤其是对于通过屏幕阅读器导航的盲人用户而言。我们认为,适当设计的用户界面对于提高可访问性和可用性至关重要。因此,我们提出了一套特定的准则,以改善盲人与搜索引擎的互动,并将其应用于Google,修改其简单搜索界面的源代码,同时保持相同的图形布局。在本文中,我们讨论了用户与原始和修改后的Google UI的交互,并提出了两种使用场景,其中两个盲人被分配了相同的搜索任务。在这两种情况下,修改后的UI都会改善屏幕阅读器所提供的顺序访问,因为内容的内部结构已通过将页面中用户认为更重要的部分(即主页上的搜索框)移至页面源文件的顶部而发生了更改查询结果将显示在结果页面中。

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