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• The Development and Evaluation of Performance-Based Functional Assessment: A Methodology for the Measurement of Physical Capabilities

  Katherine J. Price, Andrew Sears · 2009 · ACM Transactions on Accessible Computing

  This paper introduces PB-FACT (Performance-Based Functional Assessment for Computer Technology), a methodology for objectively measuring the physical capabilities of individuals with motor impairments to inform assistive technology selection. Traditional approaches rely on…

  motor impairments · functional assessment · assistive technology · motion sensors · user capabilities

• 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

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