Effects of Orientation on the Perception of Affordances in Wheelchairs
2011-04-13
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Effects of Orientation on the Perception of Affordances in Wheelchairs
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2011-04-13
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Abstract
For people in wheelchairs, movements of the head and torso are related to the
accuracy of judgments about opportunities for wheelchair locomotion. These
opportunities can consist of passing between or under various objects such as
doorways or hanging items. In order to determine how head and torso movements
relate to the accuracy of perception of passage ability, research needed to be
conducted to find correlations from various trials. Four trials consisting of a subject
facingfront and judging height, facing front and judging width, facing the side and
judging height, or facing the side and judging width were conducted. At this point in the
research the results are only partially analysed. Predictions about this research state
that the height and width judgement accuracy will correlate to head and/or torso
movement, movement will differ for judging height and judging width, and that
movement will also differ for viewing the apparatus straight on or making judgements
from the side. Results thus far indicate that the accuracy of the perceptual judgment
does not differ between the groups of people facing forward and facing side when
using a sliding door. Also, we found that accuracy of judgement does not change
throughout the varying trials each subject is asked to complete. Within the next couple
of weeks we will have done further analysis on the information gathered and there will
be a better understanding of the correlation between head and torso movement and
perception of passage ability.
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Additional contributor: Thomas Stoffregen (faculty mentor)
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Motiff, Stephanie; Watkins, Molly; Yu, Yawen. (2011). Effects of Orientation on the Perception of Affordances in Wheelchairs. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/104422.
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