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KMID : 1035420180060030083
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Journal of The Korean Society of Integrative Medicine
2018 Volume.6 No. 3 p.83 ~ p.92
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Developing an Index of Usability to Evaluate Utilization of Mobile Toilets among the Elderly: A Case Study
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Kim Seon-Chil
Lim Hyun-Sub
Cho Sung-Hyoun
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Abstract
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Purpose : The purpose of this study was to develop an index of usability that reflects the needs and characteristics of the elderly. The usability index is used primarily to assess issues in the usability of a product.
Methods : In this study, 22 items for mobile toilet usability index were developed by consulting with 12 elderly users, 6 caregivers, and 12 experts. The usability evaluation index was intended to increase reliability through preliminary and main evaluations. In addition, the validity of the items used as the usability evaluation index was verified to prove that the index is effective for the evaluation.
Result : The usability index is a welfare tool developed by gathering data from various sources such as previous studies dealing with usability evaluation, characteristics of users, range of use, and environment of product use.
Conclusion : The development of the usability index for mobile toilets was useful for the user to quantitatively derive the problem of the product. Consequently, user needs and usability problems can be identified, which can help improve product quality.
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KEYWORD
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mobile toilet, usability evaluation, usability index, elderly, welfare tool
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