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与移动平台上视觉交互相关的求助情况以及针对盲人和视力受损用户的推荐设计。

Help-Seeking Situations Related to Visual Interactions on Mobile Platforms and Recommended Designs for Blind and Visually Impaired Users.

作者信息

Xie Iris, Choi Wonchan, Wang Shengang, Lee Hyun Seung, Hong Bo Hyun, Wang Ning-Chiao, Cudjoe Emmanuel Kwame

机构信息

School of Information Studies, University of Wisconsin-Milwaukee, Milwaukee, WI 53211, USA.

出版信息

J Imaging. 2024 Aug 22;10(8):205. doi: 10.3390/jimaging10080205.

DOI:10.3390/jimaging10080205
PMID:39194994
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11355365/
Abstract

While it is common for blind and visually impaired (BVI) users to use mobile devices to search for information, little research has explored the accessibility issues they encounter in their interactions with information retrieval systems, in particular digital libraries (DLs). This study represents one of the most comprehensive research projects, investigating accessibility issues, especially help-seeking situations BVI users face in their DL search processes. One hundred and twenty BVI users were recruited to search for information in six DLs on four types of mobile devices (iPhone, iPad, Android phone, and Android tablet), and multiple data collection methods were employed: questionnaires, think-aloud protocols, transaction logs, and interviews. This paper reports part of a large-scale study, including the categories of help-seeking situations BVI users face in their interactions with DLs, focusing on seven types of help-seeking situations related to visual interactions on mobile platforms: difficulty finding a toggle-based search feature, difficulty understanding a video feature, difficulty navigating items on paginated sections, difficulty distinguishing collection labels from thumbnails, difficulty recognizing the content of images, difficulty recognizing the content of graphs, and difficulty interacting with multilayered windows. Moreover, corresponding design recommendations are also proposed: placing meaningful labels for icon-based features in an easy-to-access location, offering intuitive and informative video descriptions for video players, providing structure information about a paginated section, separating collection/item titles from thumbnail descriptions, incorporating artificial intelligence image/graph recognition mechanisms, and limiting screen reader interactions to active windows. Additionally, the limitations of the study and future research are discussed.

摘要

虽然盲人和视力受损（BVI）用户使用移动设备搜索信息很常见，但很少有研究探讨他们在与信息检索系统（特别是数字图书馆（DL））交互时遇到的无障碍访问问题。本研究是最全面的研究项目之一，调查无障碍访问问题，特别是BVI用户在DL搜索过程中面临的求助情况。招募了120名BVI用户在四种移动设备（iPhone、iPad、安卓手机和平板电脑）上的六个DL中搜索信息，并采用了多种数据收集方法：问卷调查、出声思考协议、交易日志和访谈。本文报告了一项大规模研究的一部分，包括BVI用户在与DL交互时面临的求助情况类别，重点关注与移动平台上视觉交互相关的七种求助情况：难以找到基于切换的搜索功能、难以理解视频功能、难以在分页部分中浏览项目、难以区分收藏标签和缩略图、难以识别图像内容、难以识别图表内容以及难以与多层窗口进行交互。此外，还提出了相应的设计建议：在易于访问的位置为基于图标的功能放置有意义的标签、为视频播放器提供直观且信息丰富的视频描述、提供有关分页部分的结构信息、将收藏/项目标题与缩略图描述分开、纳入人工智能图像/图表识别机制以及将屏幕阅读器交互限制在活动窗口。此外，还讨论了该研究的局限性和未来研究方向。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e27e/11355365/24ae1cc6bce6/jimaging-10-00205-g002.jpg
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