Literature Reviews
Reviewed research papers, articles, and publications relevant to digital accessibility.
28 results found tagged touchscreen.
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A Comparison of Touchscreen and Mouse for Real-World and Abstract Tasks with Older Adults
This study investigates whether input device choice (touchscreen vs. mouse) affects performance on computerized cognitive tests for older adults, with implications for the C-TOC (Cognitive Testing on Computer) project developing self-administered onl…
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VectorEntry: Text Entry Mechanism Using Handheld Touch-Enabled Mobile Devices for People with Visual Impairments
This research develops VectorEntry, a gesture-based text entry system for touchscreen mobile devices designed specifically for people with visual impairments. The authors conducted two preliminary studies to understand how users with visual impairmen…
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Ally: Understanding Text Messaging to Build a Better Onscreen Keyboard for Blind People
This research presents Ally, a smartphone onscreen keyboard designed specifically for blind users who need to enter text messages when voice input or external keyboards are unavailable. The authors recognized that blind smartphone users employ hetero…
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Getting Smartphones to Talkback: Understanding the Smartphone Adoption Process of Blind Users
This paper presents an eight-week longitudinal study investigating how novice blind users adopt touchscreen smartphones, transitioning from traditional feature phones. The researchers recruited five legally blind participants (ages 23-55) who had nev…
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Typing Performance of Blind Users: An Analysis of Touch Behaviors, Learning Effect, and In-Situ Usage
This longitudinal study provides the most detailed analysis to date of how novice blind users learn to type on touchscreen keyboards using the Explore by Touch paradigm (where users slide fingers across the screen to hear key names, then lift to sele…
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Towards Large Scale Evaluation of Novel Sonification Techniques for Non Visual Shape Exploration
This paper presents six sonification techniques for exploring shapes on touchscreen devices and evaluates them through Invisible Puzzle, an iPhone application enabling large-scale unsupervised testing. The research addresses a critical need: people w…
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Eyes-free Exploration of Shapes with Invisible Puzzle
This paper presents Invisible Puzzle Game, an iPhone application that uses sonification techniques to enable people who are blind or visually impaired to explore shapes on touchscreen devices. Image exploration is fundamental for developing visuospat…
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The Design Space of Nonvisual Word Completion
This paper presents the first design space for nonvisual word completion on mobile devices, addressing a gap where word completion interfaces — ubiquitous in sighted mobile typing — remain poorly designed for screen reader users. While sighted users …
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AudioFunctions.web: Multimodal Exploration of Mathematical Function Graphs
This full research paper presents AudioFunctions.web, a web application that enables blind and visually impaired people to explore mathematical function graphs through a combination of sonification, earcons, and speech synthesis. The system is the pl…
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"Maps are hard for me": Identifying How Older Adults Struggle with Mobile Maps
This short paper from the University of Illinois at Chicago examines how older adults (aged 60+) use Google Maps on their own mobile devices and identifies the specific accessibility challenges they encounter. While smartphone ownership among US adul…