聲音介面對高齡者操作觸控板輔助記憶之影響

The Effect of Auditory Interface on Older Adults＇Memory in Touchpad-based Interaction

蕭意親(Yi-Chin Siao)

指導教授 ： 林迪意

義守大學/管理學院/工業管理學系/碩士(2015年)

https://doi.org/10.6343/ISU.2015.00188

摘要

人民生活品質提高及醫療的發達，使的現今多數人的平均壽命增加，人口結構逐漸邁入高齡化社會。科技的進步，觸控式產品更成為現在的主流，目前多點觸控更多達十幾種的觸控輸入手勢，操作介面越來越人性化，高齡族群沒有足夠的時間適應新的技術，學習時更是遇到許多困難。聲音若運用得當將比圖像更能有效地、清楚地表達資訊內容，且聽覺比視覺更能提供較多線索。本研究將觸控板及滑鼠作為實驗的介面操控裝置，並設計三組(觸控板、觸控板+聲音、滑鼠)操控介面之教學系統，高齡者透過學習操控介面，後進行編輯作業測驗得到操作績效，探討操控裝置加入聽覺介面，是否對於記憶退化的高齡者有更加的學習成效，是否能提升高齡者的記憶能力。36名65歲以上之高齡者參與本研究3×3因子實驗，操控介面為組間因子，其處理水準分別為觸控板、觸控板+聲音、滑鼠；編輯作業為組內因子，其處理水準分別為複製作業、瀏覽作業、放大作業。效標為正確率、操作時間、失誤次數以及單位時間平均失誤次數。結果顯示操作績效上，觸控板+聲音的操控介面都比觸控板操控介面來的好，代表著透過加入聲音後高齡者在使用科技產品上的確有更佳的效果。瀏覽作業與放大作業在觸控板+聲音的操控介面下較好，複製作業則是在滑鼠的操控介面下操作績效較好；在單位時間平均失誤次數上，觸控板+聲音與滑鼠都比觸控板來的好，代表高齡者在使用這兩樣操控介面上錯誤率是較低的，在操控介面上滑鼠是無法被取代的，觸控板則可透過加入聲音後降低高齡者在使用上的錯誤率，觸控板+聲音與滑鼠此兩種操控介面都適用剛開始接觸操控介面的高齡者做使用。由使用經驗主觀偏好問卷記憶力幫助性、學習動機得知，高齡者普遍使用經驗主觀偏好觸控板+聲音的操控介面；愉悅程度、專注力、自信心程度得知，高齡者普遍使用經驗主觀偏好觸控板+聲音與滑鼠此兩種操控介面，此研究結果以提供未來聲音介面於操控裝置設計上作為參考。

關鍵字

高齡者 ； 觸控互動 ； 聽覺介面

並列摘要

With the improvement of living conditions and the medical advancement, modern people have had a longer life expectancy on average and the population structure has gradually entered an aging society. Scientific and technological progress has made touch-based products mainstream ones. Currently, multi-point touch includes over ten touch-based input gestures, with an increasingly people-oriented panel-touched interface. Without adequate time to adapt to new technologies, older adults encounter many difficulties in learning these technologies. Auditory, if appropriately applied, will be more effectively and clearly in conveying information than images and, more importantly, provide more clues. With touchpad and mouse as the interface operation devices of the experiment, the study designs three groups of instruction systems of panel-touched interfaces (touchpad, touchpad + auditory and mouse). Aside from learning the panel-touched interfaces, the older adults undertake the test of editing operations. According to their performance in the test, the study discusses if the integration of panel-touched devices and auditory interfaces will facilitate the learning of older adults suffering weakening memory and improve their memory. 36 older adults over 65 years old participated in a 3×3 factorial experiment. If the panel-touched interfaces are taken as the within-subject factors, the processing levels will be touchpad, touchpad + auditory and mouse respectively; if the editing operations are taken as the within-subject factors, the processing levels will be copying, browsing and magnifying respectively. The performance indicators included correction rate, operation time, number of errors and average number of errors in unit time. The results showed that the panel-touched interface of touchpad + auditory was better than that of touchpad in term of operation performance, which means that the addition of auditory contributes to older adults’ using scientific and technological products. Operations like browsing and magnifying were better performed in the panel-touched interface of touchpad + auditory, whereas copying was better done in the panel-touched interface of mouse; as far as the average number of errors in unit time, touchpad + auditory and mouse were better than touchpad, which means that the error rates of older adults’ using the two panel-touched interfaces were relatively low. Mouse was irreplaceable on the panel-touched interface; the combination of touchpad and auditory can reduce the error rate of older adults’ operations; both touchpad + auditory and mouse were suitable for those older adults who had their first access to interface operation devices. According to the use of experience and subjective preference questionnaire about the help of memory and learning motive, most older adults use experience and subjective preference touchpad + auditory; in terms of joy, concentration and confidence, they use experience and subjective preference touchpad + auditory and mouse. The research results can serve as reference for the design of auditory interface on control devices in the future.

並列關鍵字

older adults ； touch-based interaction ； auditory interface

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