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• Slipping and drifting: using older users to uncover pen-based target acquisition difficulties

  Karyn A. Moffatt, Joanna McGrenere · 2007 · Proceedings of the 9th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '07)

  Moffatt and McGrenere present an empirical study at the University of British Columbia investigating the underlying causes of pen-based target acquisition difficulty on a Tablet PC, with explicit attention to how age affects targeting ability. Thirty-six right-handed…

  target acquisition · pen-based interaction · stylus · tablet PC · older adults

• A comparison of area pointing and goal crossing for people with and without motor impairments

  Jacob O. Wobbrock, Krzysztof Z. Gajos · 2007 · Proceedings of the 9th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '07)

  Wobbrock and Gajos at the University of Washington present a controlled study comparing two fundamentally different target-acquisition paradigms — conventional area pointing (move into a confined region and click) and goal crossing (sweep the cursor across a goal line, no click…

  target acquisition · goal crossing · area pointing · Fitts' law · steering law

• Physical Usability and the Mobile Web

  Shari Trewin · 2006 · Proceedings of the 2006 International Cross-Disciplinary Workshop on Web Accessibility (W4A)

  This paper systematically compares the physical usability challenges faced by desktop web users with motor impairments and mobile web users, identifying where their needs overlap and diverge. Trewin first catalogs the interaction landscape for users with physical disabilities on…

  motor accessibility · mobile accessibility · physical disability · device independence · input methods

• Effect of Age and Parkinson's Disease on Cursor Positioning Using a Mouse

  Simeon Keates, Shari Trewin · 2005 · Proceedings of the 7th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '05)

  This paper presents a detailed empirical study examining how age and Parkinson's disease affect the ability to perform point-and-click tasks with a computer mouse. The researchers recruited 24 participants across four groups: young adults (ages 20-30), adults (ages 35-65), older…

  motor accessibility · aging · Parkinson's disease · cursor control · mouse interaction

• Gestural Text Entry on Multiple Devices

  Jacob O. Wobbrock, Brad A. Myers · 2005 · Proceedings of the 7th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '05)

  This paper from Carnegie Mellon University presents adaptations of the EdgeWrite unistroke text entry method across multiple computer input devices: styluses, touchpads, displacement and isometric joysticks, four keys or buttons, and trackballs. EdgeWrite was originally designed…

  text entry · input methods · motor accessibility · gestural input · EdgeWrite

• Speech-Based Cursor Control: A Study of Grid-Based Solutions

  Liwei Dai, Rich Goldman, Andrew Sears, Jeremy Lozier · 2004 · Proceedings of the 6th International ACM SIGACCESS Conference on Computers and Accessibility (Assets 04)

  This paper investigates grid-based approaches to speech-controlled cursor positioning, addressing a well-documented weakness of speech recognition technology: while dictation-based text entry has improved dramatically, using speech for precise cursor control remains slow and…

  speech recognition · cursor control · motor accessibility · voice interaction · input methods

• Automating Accessibility: The Dynamic Keyboard

  Shari Trewin · 2004 · Proceedings of the 6th International ACM SIGACCESS Conference on Computers and Accessibility (Assets 04)

  This paper presents the Dynamic Keyboard, a self-adaptive software agent developed at IBM's T.J. Watson Research Center that continuously and automatically adjusts keyboard accessibility settings to match the current user's typing patterns. The system addresses a bootstrapping…

  keyboard accessibility · adaptive systems · motor accessibility · input methods · self-adaptive system

• A Comparison of Voice Controlled and Mouse Controlled Web Browsing

  Kevin Christian, Bill Kules, Ben Shneiderman, Adel Youssef · 2000 · Proceedings of the Fourth International ACM Conference on Assistive Technologies (Assets '00)

  This within-subjects study from the University of Maryland compared voice-controlled web browsing with traditional mouse-based browsing using 18 participants. The researchers used Conversa, a commercial voice browser from Conversational Computing that renders pages visually…

  voice browser · speech recognition · web navigation · voice control · hypertext