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題名:尋路導航輔助設計之比較與應用
作者:張文德 引用關係
作者(外文):Wen-Te Chang
校院名稱:國立臺灣科技大學
系所名稱:設計研究所
指導教授:陳建雄
學位類別:博士
出版日期:2008
主題關鍵詞:尋路虛擬實境心智地圖導航輔助任務難度Cognitive MapNavigational SupportVirtual RealityWayfindingTask Difficulty
原始連結:連回原系統網址new window
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在面對全然陌生的虛擬環境尋路任務時,如何藉由輔助設計提昇使用者尋路績效是發展虛擬環境相關技術的重要議題。本研究目的在藉由觀察實際操作經驗,了解受試者在不同尋路導航輔助設計與任務難度下的尋路績效與策略,並進一步提出相關建議與未來研究方向。
本研究共分二階段進行。首先為工具建構階段,主要在發展適當之尋路績效量測工具;其次為實驗觀察階段主要在探討導航輔助對使用者尋路行為的影響。第一階段研究結果:(1) 「尋路績效自我評鑑量表」經信效度與鑑別力檢驗,確為一可用於評量尋路能力之研究工具;(2) 為了更深入性別因素相關性探索,後續研究將針對尋路策略與性別差異的相關性進行量表的修正。
第二階段是以第一段階段工具為基礎,對導航輔助方式(指標或地圖)、性別、任務難度(2D或3D)與尋路策略(路徑/相對或俯瞰/絕對)相關性進行探索。實驗結果發現:(1) 在虛擬實境設定下任務難度會影響尋路績效,且2D尋路任務明顯地會比3D尋路任務所需時間短;(2) 指標式明顯地比地圖式導航輔助有效,且男性明顯地比女性具有較佳的尋路能力,另導航方式與性別因子間交互作用達顯著水準,但適當的導航輔助將有效地提升女性尋路績效,並使性別差異消除; (3) 女性的尋路所需時間與路徑和俯瞰兩種策略問卷得分負相關皆達顯著水準,其中又以路徑策略得分相關性較高,可見女性具有較高的路徑尋路策略傾向;(4) 男性尋路所需時間僅和俯瞰尋路策略問卷得分的負相關達顯著水準,證實男性為俯瞰尋路策略傾向者。
For the people who confronted with the unfamiliar 3D virtual reaity (VR) space or wayfinding task, the issue related to how navigational support colud provide assistant information to improve people’s wayfinding performace is crucial. The purpose of this study is to investigate correlation among VR navigational support, task difficulity, wayfinding strategy, and individual difference.
The study was consisted of two main stages. The first stage, ‘Tools constrcution’, focuses on the development of the experimental tools for wayfinding test. The second part, ‘Experiment and observation’, focuses on the observation of the effect between the navigational support and the wayfinding performance.
The experimental results and statistical analysis on the first research part indicated that:1. ‘Self evaluation scale on wayfinding performance’ was developed, tested, and verified to be practical on wayfinding capacity evaluation; 2. The correlation between ‘Self evaluation scale on wayfinding performance’ and gender difference was not statistically significant, the evaluation scale would need to be redeveloped regarding the wayfinding strategy and gender factors.
Based on the findings of the first stage, how VR navigational support can influence human navigational performance was tested on the second research stage. The experimental results and statistical analysis indicated that: 1. In the VR scene, navigation time for the terrestrial/2D task type was significantly shorter than for the weightless/3D task type; 2. The guide sign support was significantly more effective than map support. Moreover, the interactions between support style and gender difference indicated that males exhibit better wayfinding performance than females, but that appropriate support can improve navigational performance and eliminate gender differences; 3. The Way-Finding Strategy Scale result showed that the females were more likely to adopt the route/ egocentric wayfinding strategy; 4. Males were more likely to adopt the survey/ allocentric wayfinding strategy, and that their scores were negatively correlated with navigation time.
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