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• Two-In-One: A Design Space for Mapping Unimanual Input into Bimanual Interactions in VR for Users with Limited Movement

  Momona Yamagami, Sasa Junuzovic, Mar Gonzalez-Franco, Eyal Ofek, Edward Cutrell, John R. Porter, Andrew D. Wilson, Martez E. Mott · 2022 · ACM Transactions on Accessible Computing

  This paper addresses a significant accessibility barrier in virtual reality: the requirement to use two motion controllers simultaneously for bimanual interactions. Many VR applications assume users can hold and manipulate two controllers, excluding people who have use of only…

  virtual reality · VR accessibility · motor impairment · input techniques · bimanual interaction

• Exploring Methods to Improve Pen-Based Menu Selection for Younger and Older Adults

  Karyn Moffatt, Joanna McGrenere · 2009 · ACM Transactions on Accessible Computing

  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 "missing just below"), the…

  pen input · tablet PC · older adults · target acquisition · motor impairments

• Barrier pointing: using physical edges to assist target acquisition on mobile device touch screens

  Jon Froehlich, Jacob O. Wobbrock, Shaun K. Kane · 2007 · Proceedings of the 9th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '07)

  Froehlich, Wobbrock and Kane propose barrier pointing: a set of stylus-based target acquisition techniques that exploit the raised physical edge of a mobile touch screen to stabilise input for users with motor impairments. Standard touch-screen tapping requires a user to fly the…

  mobile accessibility · touchscreen accessibility · motor impairment · target acquisition · input techniques

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