設計評估為新產品開發過程中的重要階段，主要目的是藉由評估結果修改設計，以滿足顧客與市場需求，創造出更有價值的產品。傳統的設計評估多採用實體形式，其花費成本高且製作時間較長。近來隨著資訊技術的提升，虛擬原型技術逐漸成熟，已被廣泛應用於產品或服務的設計評估。然而評估工作的面向多元，實體與虛擬媒介是否存在評估上的差異，或是對應產生使用者經驗的優劣，過往研究仍欠缺完整的探討。因此本研究透過一系列的認知實驗，比較兩種媒介的效能差異，第一階段實驗探討於物理面、使用面與外觀上之評估正確率，以及各項評估工作的使用者經驗。第二階段則比較虛擬媒介中，整合不同程度的回饋資訊造成的影響。實驗分析結果顯示於大部分的工作上，虛擬媒介的評估正確率較低，且在使用者經驗中的情緒面向與強度較差。於虛擬媒介的回饋資訊中，聲音與動作的回饋皆可改善評估過程的使用者經驗，且越完整的回饋，其表現將越接近實體媒介。本研究以完整面向比較實體與虛擬原型技術的差異，探討評估過程的使用者經驗，結果可作為改善虛擬評估媒介的參考。

Design evaluation is a critical stage in new product development. The main purpose is to revise product designs according to the evaluation result, thus satisfying customer requirements. Traditional design evaluation is usually conducted on real product prototypes, which involves high development costs and lengthy development time. As information technologies progressing, virtual prototyping technologies have recently becomes mature and been applied to design evaluation of various products and services. A design evaluation task needs to be studied from multiple perspectives . It is thus advantageous to understand if and what differences exist in design evaluations based on real and virtual prototypes, especially in the user experience arising during the evaluation process. Detailed studies are still lacking in previous works. Therefore, this research compares the differences between real and virtual prototypes by conducting a series of cognition experiments. In the first part of the experiments, we look into the evaluation correctness on identifying engineering attributes, usability, and product appearances, respectively, between the two means. Another focus is to examine the user experiences in the corresponding evaluation tasks. In the second part, we try to understand how the feedback information of different degrees influences the user experience in evaluating virtual prototypes. The experimental results show that the evaluation correctness based on virtual prototypes is lower than that of real ones in most tasks, and the user experience is worse. Moreover, adding sound or movement feedback in virtual prototypes improves the user experience in the evaluation task based on virtual prototypes, and the more feedback information, the closer to that produced by real prototypes. This work systematically investigates design evaluations based on real and virtual prototypes. The research findings provide good guidelines for improving virtual prototyping technologies.

摘要 I
目錄 IV
圖目錄 VI
表目錄 VII
第一章 緒論 1
1.1 研究背景 1
1.2 研究動機 2
1.3 研究目的 5
第二章 實驗方法 6
2.1 研究方法與步驟 6
2.2 實驗物 8
2.3 受測者篩選 8
2.4 實體虛擬評估差異比較實驗 9
2.4.1 實驗設計 9
2.4.2 情緒使用者經驗評估 11
2.4.3 實驗因子 14
2.4.4 實驗環境 16
2.4.5 前期測試 18
2.4.6 正式實驗 19
2.5 不同回饋之使用性評估差異比較實驗 25
2.5.1 實驗設計 25
2.5.2 實驗因子 26
2.5.3 正式實驗 26
第三章 研究結果 29
3.1 量表信度分析 29
3.2 實體虛擬評估差異比較實驗 30
3.2.1 體積面向分析 30
3.2.2 體積（參考物）面向分析 33
3.2.3 重量面向分析 35
3.2.4 形狀面向分析 38
3.2.5 顏色面向分析 40
3.2.6 材質面向分析 43
3.2.7 使用性（開始清潔）分析 46
3.2.8 使用性（返回充電）分析 49
3.2.9 使用性（設定時間）分析 52
3.2.10 使用性（清理灰塵）分析 53
3.2.11 小結 56
3.3 不同回饋之使用性評估差異比較研究結果 57
3.3.1 使用性（開始清潔）分析 58
3.3.2 使用性（清理灰塵）分析 58
3.4 兩階段實驗綜合研究結果 60
3.4.1 使用性（開始清潔）正確率分析 61
3.4.2 使用性（開始清潔）情緒面向分析 61
3.4.3 使用性（開始清潔）情緒喚起分析 63
3.4.4 使用性（開始清潔）情緒支配分析 64
3.4.5 使用性（清理灰塵）正確率分析 65
3.4.6 使用性（清理灰塵）情緒面向分析 65
3.4.7 使用性（清理灰塵）情緒喚起分析 67
3.4.8 使用性（清理灰塵）情緒支配分析 68
3.4.9 小結 69
第四章 結論與未來發展方向 70
4.1 結論 70
4.1.1 驗證材質、色彩之正確率於不同媒介存在顯著差異 70
4.1.2 情緒支配無法準確測出 70
4.1.3 實體與虛擬媒介於不同層面之認知差異不盡相同 70
4.1.4 僅以簡單之任務回饋方式無法瞭解顧客之情緒使用者經驗 71
4.1.5 越完整之回饋使用者的情緒使用者經驗與實體越相近 71
4.1.6 設計評估應考量完整層面 71
4.2 未來發展方向 71
參考文獻 73
附錄 76

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