知識管理系統已成為知識管理的重要活動場域，知識與資料在系統上大量體累積後所帶來的知識儲存、分類與知識再利用等探討是個待解決的議題，知識管理系統要如何設計才能提升資訊再利用的效能？然而，過去探討如何提升資訊再利用成效的議題乃呈現出多樣貌的理論基礎，其中知識地圖的探討著重於透過資料探勘與資訊檢索的設計來增進使用者資訊使用效率。而人機互動設計中的使用性(Usability)則是著重於探討使用者對於系統操作介面，不同資訊呈現方式與使用者偏好程度等對系統使用的影響，並藉此發展理論基礎以提供系統使用介面設計的依據。另外根據任務科技適配理論，唯有當科技能夠支援任務與合乎使用者的需求時，才會出現良好的績效表現，故本研究考量知識管理系統中因著不同功能與任務需求所帶來不同媒體型態的知識累積，進而探討不同資訊再利用情境中其資訊呈現方式對使用者資訊再利用的影響。本研究採用實驗設計方式，針對83位受測者進行系統使用試驗，以隨機分派方式探討不同任務情境下資訊呈現方式對資訊再利用之影響。研究結果發現資訊呈現方式在不同的資訊再利用情境下會顯著影響使用者資訊再利用成效。其中，在檢索式任務情境下，以階層式和循序式呈現方式具有較顯著的資訊再利用成效影響；而在探索式任務情境下，三種呈現方式對資訊再利用成效皆無顯著差異，亦即當問題複雜度增加時，則資訊呈現方式對使用者資訊再利用成效將沒有差異。因此本研究建議知識管理系統中，使用者進行資訊再利用時，應依照任務需要變更資訊呈現方式以提高資訊再利用之成效。而在滿意度、使用意圖與自覺能力中，使用者對階層式呈現方式皆有較佳的主觀感受與評價。最後，本研究針對研究結果做出後續研究建議與研究限制，並可作為後續發展視覺化資訊呈現設計之理論依據。

Using web-based knowledge management systems has become the mainstream when enterprises adopt the strategy of knowledge management. With the accumulated amount of materials, the issue of information reuse is emphasized, and how to properly design a knowledge management system to improve the efficiency of information reuse is becoming extremely important. In the past there were two approaches for improving the efficiency of information reuse. One is knowledge map that focuses on information retrieval to promote the efficiency, and the other is usability of Human-Computer Interaction that focuses on the effect of different information representation styles and the user's liking. According to Task-Technology Fit, the greater the degree of adherence to an ideal fit profile, the better the performance. In this study we discussed the impact of information presentation styles on information reuse with different reuse tasks on knowledge management systems. The study is intended as an experimental design to investigate the impact of information presentation styles on information reuse within a knowledge management system. We use an experiment involving 83 subjects. The results of this study indicate that information presentation styles have a significant impact on information reuse. We found that for retrieval tasks, the impact on information reuse would be enhanced with the hierarchical presentation style. Additionally, the result also shows that when increasing the complexity of the task, information presentation styles have no differences to the impact on information reuse. And according to the results of two kinds of questionnaires, the users all had higher liking and partialities for the hierarchical presentation style. Finally, suggestions for the vision information design based on the results of this study are provided.

誌謝 III
摘要 IV
ABSTRACT V
表目錄 VIII
圖目錄 IX
第一章 、緒論 1
第一節 、研究背景與動機 1
第二節 、研究目的 3
第三節 、重要名詞定義 4
第四節 、研究範圍 5
第五節 、研究流程 6
第六節 、論文章節架構 7
第二章 、文獻探討 10
第一節 、資訊再利用的重要性 10
第二節 、資訊呈現方式對資訊再利用之影響 14
第三節 、使用性與資訊呈現方式之關連 23
第四節 、任務類型與資訊呈現方式之關連 25
第三章 、研究方法 30
第一節 、研究設計 30
第二節 、研究架構 30
第三節 、變數的操作性定義 31
第四節 、研究假說 34
第五節 、實驗設計 36
第六節 、統計方法 49
第四章 、結果分析 51
第一節 、研究樣本與資料分析 51
第二節 、信度測量 54
第三節 、資訊呈現方式與任務類型的交互作用 54
第四節 、關於資訊呈現方式的假說檢驗 56
第五節 、關於任務類型的假說檢驗 57
第六節 、關於主觀感受問卷的假說檢驗 59
第七節 、研究假說檢驗結果之彙整 64
第五章 、結果討論 66
第一節 、資訊呈現方式的影響 66
第二節 、任務類型的影響 66
第三節 、主觀感受的影響 69
第六章 、結論 71
第一節 、研究結果 71
第二節 、研究貢獻 72
第三節 、研究限制 74
第四節 、未來研究建議 74
參考文獻 77
附錄一、任務題目 82
附錄二、主觀感受問卷 84

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