Depicting the Keypad Mouse Interface: Exploring Pointing Behaviors of Three Input Devices

Pérez J.E., Valencia X., Arrue M. and Abascal J.

2015 -


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Erabiltzaileren Modelaketa eta Interfaze Moldagarriak
Autoreak sinadura ordenaren arabera:
Pérez J.E., Valencia X., Arrue M. and Abascal J.
Abstract. Using standard keyboard for pointing and clicking interactions seems to be an affordable option for people who have difficulties handling a standard mouse due to a lack of dexterity or temporal disability conditions. The keypad mouse uses discrete input based on keystrokes to perform cursor movements. This distinctive feature along with others related to cursor motion behavior, make the keypad mouse a unique pointing interface when compared with alternatives. We have carried out a study with expert users of different pointing devices. Results of the study revealed significant differences in the performance values among participants in the three groups. Direction on aimed cursor movements proved to be a crucial factor to be taken into account for keyboard-only users. The findings presented in this paper have a broad application when it comes to designing effective predictive models as well as to proposing design guidelines, novel interaction techniques and adaptation techniques for this collective
Keywords: Pointing and clicking tasks, dexterity impairment, keypad mouse. 
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