Literature Reviews
Reviewed research papers, articles, and publications relevant to digital accessibility.
15 results found tagged target acquisition.
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Exploring Methods to Improve Pen-Based Menu Selection for Younger and Older Adults
This study investigates why users struggle with pen-based menu selection on tablet PCs, particularly older adults, and tests two approaches for reducing errors. Building on a baseline study that identified three error types (slipping, drifting, and "…
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Effects of Target Expansion on Selection Performance in Older Computer Users
This research investigates target expansion as an assistive technique for improving mouse pointing performance in older computer users. Target expansion dynamically enlarges clickable targets as the cursor approaches, conserving screen space while pr…
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Enhancing Android Accessibility for Users with Hand Tremor by Reducing Fine Pointing and Steady Tapping
This paper introduces Touch Guard, a system-wide Android accessibility service developed as a Google intern research project that helps users with hand tremor interact more accurately with touchscreen devices. The core problem addressed is that conve…
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Understanding the Touchscreen-based Nonvisual Target Acquisition Task Performance of Screen Reader Users
This study investigates how screen reader users find and select targets on a smartphone touchscreen without visual cues, examining the effects of screen size, target size, and the ratio between them. Twelve participants with visual impairments (three…
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Increasing the Accessibility of Pen-Based Technology: An Investigation of Age-Related Target Acquisition Difficulties
This paper describes dissertation research on improving the accessibility of pen-based devices (PDAs, Tablet PCs) for older adults by identifying and addressing the root causes of target acquisition difficulty. The author argues that previous researc…