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• The Vocal Joystick: Evaluation of Voice-based Cursor Control Techniques

  Susumu Harada, James A. Landay, Jonathan Malkin, Xiao Li, Jeff A. Bilmes · 2006 · Proceedings of the 8th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '06)

  This paper presents the Vocal Joystick, a system that enables continuous mouse cursor control through vocal parameters — specifically vowel quality, loudness, and pitch. Unlike traditional speech recognition systems that process discrete commands ("move left," "click"), the…

  voice control · cursor control · motor impairment · Fitts law · non-speech input

• Dynamically Adapting GUIs to Diverse Input Devices

  Scott Carter, Amy Hurst, Jennifer Mankoff, Jack Li · 2006 · Proceedings of the 8th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '06)

  This paper presents an analysis framework and demonstration tool (Input Adapter Tool, IAT) for automatically modifying desktop application interfaces to accommodate alternative input devices. Most GUI applications assume keyboard and mouse input, creating barriers for people…

  adaptive interface · alternative input · switch access · input adaptation · GUI adaptation

• 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

• Research-Derived Web Design Guidelines for Older People

  Sri Kurniawan, Panayiotis Zaphiris · 2005 · Proceedings of the 7th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '05)

  This paper develops and validates a set of research-derived, ageing-centred web design guidelines through a rigorous multi-stage process. The authors began with an extensive literature review of HCI and ageing research, producing an initial set of 52 guidelines backed by…

  older adults · web design guidelines · aging · usability · accessibility evaluation

• Web Accessibility for Low Bandwidth Input

  Jennifer Mankoff, Anind Dey, Udit Batra, Melody Moore · 2002 · Proceedings of the Fifth International ACM Conference on Assistive Technologies (Assets 02)

  This paper addresses web accessibility for users with severe motor and speech impairments who can only produce one to four input signals when interacting with a computer — termed "low bandwidth" users. These include people with locked-in syndrome using neural control interfaces,…

  motor impairment · web accessibility · switch access · low bandwidth input · scanning

• Investigating the Applicability of User Models for Motion-Impaired Users

  Simeon Keates, John Clarkson, Peter Robinson · 2000 · Proceedings of the Fourth International ACM Conference on Assistive Technologies (Assets '00)

  This paper from the University of Cambridge investigates whether the Model Human Processor (MHP) — a foundational user model from Card, Moran, and Newell's "The Psychology of Human-Computer Interaction" — accurately describes how motion-impaired users interact with computers.…

  motor impairment · user modeling · universal access · human-computer interaction · cerebral palsy

• The Use of Gestures in Multimodal Input

  Simeon Keates, Peter Robinson · 1998 · Proceedings of the Third International ACM Conference on Assistive Technologies (Assets '98)

  This paper from the University of Cambridge describes the development and evaluation of a prototype multimodal input system designed for users with motion impairments, for whom standard keyboard and mouse arrangements are often unusable. The system combined two gestural input…

  gesture recognition · multimodal input · motor impairment · user studies · cognitive load

• A Model of Keyboard Configuration Requirements

  Shari Trewin, Helen Pain · 1998 · Proceedings of the Third International ACM Conference on Assistive Technologies (Assets '98)

  This paper from the University of Edinburgh presents a user model — a computer program that observes a person's typing behaviour and automatically identifies keyboard difficulties, then recommends appropriate configuration settings. The model addresses four common keyboard…

  keyboard accessibility · motor impairment · user modelling · assistive technology · input devices

• Factors Leading to the Successful Use of Voice Recognition Technology

  Tanya Goette · 1998 · Proceedings of the Third International ACM Conference on Assistive Technologies (Assets '98)

  This paper from Georgia College & State University presents results from a field study investigating why voice recognition technology (VRT) succeeds for some individuals with disabilities and fails for others. Drawing on expectancy theory and innovation-diffusion theory, the…

  speech recognition · assistive technology · technology abandonment · motor impairment · user studies

• A communication tool for people with disabilities: lexical semantics for filling in the pieces

  Kathleen F. McCoy, Patrick W. Demasco, Mark A. Jones, Christopher A. Pennington, Peter B. Vanderheyden, Wendy M. Zickus · 1994 · Proceedings of the First Annual ACM Conference on Assistive Technologies (Assets '94)

  This paper presents a prototype communication tool designed to reduce the input burden for people with severe speech and motor impairments (SSMI) who use word-based augmentative communication systems. The core problem addressed is that even with word-prediction and word-based…

  augmentative and alternative communication · natural language processing · lexical semantics · text generation · motor impairment