A study of input device manipulation difficulties

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Abstract
People with a motor disability affecting their use of the key- board and/or mouse often tend to make unintentional input errors. Little or no quantified data exists on physical errors in the use of standard computer input devices, particularly with respect to motor disabilities. Such information, if available, could be used to develop tech- niques for automatic recognition of specific difficulties. Once recognised, many can be reduced or eliminated by appropri- ate system and application configuration. This paper describes the pilot study for an experiment in- tended to gather detailed information about input errors made with keyboards and mice. This work is a step towards provi- sion of dynamic, automatic support for the configuration of systems and applications to suit individual users. Some initial results from the pilot study are presented, includ- ing an assessment of the experiment design and a summary of some interesting characteristics of the data gathered so far.

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