Results (
Thai) 1:
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Generally, institutionalized older adults represent anextremely heterogeneous target audience, which raises thenecessity of adaptable interaction paradigms that can beindividually adjusted. In our study, we found largedifferences between participant abilities resulting indifferences in participant responses to our gesture set.Ability differences included limitations in range of motion(ROM), in strength affecting the ability of holding andrepeating a gesture, and overall movement speed. Althoughthe ability of using arms and legs was limited due toindividual impairments that gesture-based interfaces need toaccount for, there are also main categories ofinstitutionalized older adults ability that can be considered –specifically, the ability of participants to use limbs on bothsides of their body and the presence of wheelchairs.Completion rates suggest that dynamic gestures were morechallenging for institutionalized older adults, perhapsbecause repeated movements are more demanding thanholding a posture. Also, walking gestures were difficult forparticipants in wheelchairs; many of the participants werenot able to move their feet independently. Generally, gamesneed to work around the issue of wheelchair tracking byusing space that is not affected by the chair, such as to thesides of the player, and removing bulky parts of the chair(e.g., lowering arm rests or removing lap trays) improvestracking results. Finally, being instructed by a computerscreen was an unfamiliar experience for many participants.
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