網際網路的蓬勃發展與應用，促進了電子佈告欄系統(Bulletin Boards System, BBS)的成長，例如批踢踢實業坊(PTT)，已成為現代社會主要的知識傳播與交流平台。人們在網絡的世界進行溝通與交流，找尋他們所要的知識，為了各種不同的目的與他人互動，讓資訊的傳播不受空間與時間的限制。
　　想要成為一個成功的網絡虛擬社群，不僅要吸引使用者參與，更重要的是要留住使用者，刺激使用者主動發表文章、與網友互動。唯有使用者持續不斷地參與，才能確保網絡虛擬社群之永續經營。有鑑於此，本研究結合社會資本理論與線上社會支持理論提出PTT抗癌板板友持續分享提供線上社會支持之解釋模型，試圖找出激勵PTT抗癌板板友參與線上社會支持活動的要素，提供學術上深入探索以及實務上擬定相關策略之參考。
　　本研究主要探討PTT抗癌板內，認知面社會資本之癌症知識及自身罹癌經驗對提供「促進行動型」社會支持(action-facilitating support)與「滋養型」社會支持(nurturant support)的影響；關係面社會資本之互助互惠及認同感對提供「促進行動型」社會支持與「滋養型」社會支持的影響；結構面社會資本之社會互動連結對提供「促進行動型」社會支持與「滋養型」社會支持的影響。本研究抽樣對象為曾經在PTT抗癌板回覆他人文章的板友，採網路問卷調查方式進行資料的蒐集，使用統計軟體SPSS 17.0版進行統計分析，並使用SmartPLS 2.0版來進行結構方程模式(SEM) 來驗證本研究模型中各個構面之間的相關假說，本研究結果發現：
(1) 認知面社會資本之癌症知識對提供「促進行動型」社會支持有正向的影響。
(2) 認知面社會資本之癌症知識對提供「滋養型」社會支持的影響不顯著。
(3) 認知面社會資本之自身罹癌經驗對提供「促進行動型」社會支持有正向的影響。
(4) 認知面社會資本之自身罹癌經驗對提供「滋養型」社會支持有正向的影響。
(5) 關係面社會資本之互助互惠對提供「促進行動型」社會支持有正向的影響。
(6) 關係面社會資本之互助互惠對提供「滋養型」社會支持有正向的影響。
(7) 關係面社會資本之認同感對提供「促進行動型」社會支持有正向的影響。
(8) 關係面社會資本之認同感對提供「滋養型」社會支持有正向的影響。
(9) 結構面社會資本之社會互動連結對提供「促進行動型」社會支持有正向的影響。
(10) 結構面社會資本之社會互動連結對提供「滋養型」社會支持有正向的影響。

　　Because the development and application of the Internet, the Bulletin Boards System are more growth than before. For example, PTT has become the important of knowledge communication and exchange platform in the modern society. In the world of Internet, People communicate with others and look for the knowledge they want. People interact with others in order to varied purpose and make the communication of information unrestricted by time and space.
　　A successful Network Virtual Community not only attracts users participation but it is also important to remained users, and encourage users post text voluntarily and interact with members. Based on this, our study combine the Social Capital Theory with the Online Social Support Theory to put PTT Anti-Cancer Board’s members continue sharing the explicative model of the Online Social Support, and attempts to look for the factor of encourage PTT Anti-Cancer Board’s members participate in the Online Social Support activities, and provide an in depth academic research and reference of correlative policy in the future affairs.
　The purpose of this study explore PTT Anti-Cancer Board’s that the knowledge of cancer and own suffered cancer experience to provide the "action-facilitating" social support and "nurturant" social support have effects; the reciprocal and assurance to provide the "action-facilitating" social support and "nurturant" social support have effects; the social interaction ties to provide the "action-facilitating" social support and "nurturant" social support have effects.
The samples of this study are who have ever reply to any other texts on PTT Anti-Cancer Board. Data collected by structured questionnaire on website survey, and then we use SPSS 17.0 and SmartPLS 2.0 to analyze it.
Our empirical results showed：
(1) Knowledge of cancer were positively associated with "action-facilitating" social support.
(2) Knowledge of cancer did not have significant impact on "nurturant" social support.
(3) Own suffered cancer experience were positively associated with "action-facilitating" social support.
(4) Own suffered cancer experience were positively associated with "nurturant" social support.
(5) Reciprocal were positively associated with "action-facilitating" social support.
(6) Reciprocal were positively associated with "nurturant" social support.
(7) Assurance were positively associated with "action-facilitating" social support.
(8) Assurance were positively associated with "nurturant" social support.
(9) Social interaction ties were positively associated with "action-facilitating" social support.
(10) Social interaction ties were positively associated with "nurturant" social support.

第一章 緒論 1
1.1 研究背景 1
1.2 研究動機 1
1.3 研究目的 2
1.4 研究流程與論文結構 3
第二章 文獻探討 6
2.1 社會支持理論 6
2.1.1 社會支持理論之定義 6
2.1.2 社會支持理論之相關研究與類別 8
2.2 線上社會支持理論 11
2.2.1 線上社會支持理論之定義 11
2.2.2 線上社會支持理論之相關研究 12
2.3 社會資本理論 16
2.3.1 社會資本理論之定義 16
2.3.2 社會資本理論之相關研究 17
第三章 研究方法 23
3.1 研究模型 23
3.2 研究假說 25
3.2.1 認知面社會資本中癌症知識對線上社會支持類型的關係 25
3.2.2 認知面社會資本中自身罹癌經驗對線上社會支持類型的關係 26
3.2.3 關係面社會資本中互助互惠對線上社會支持類型的關係 27
3.2.4 關係面社會資本中認同感對線上社會支持類型的關係 27
3.2.5 結構面社會資本中社會互動連結對線上社會支持類型的關係 28
3.3 研究問卷 30
3.3.1 認知面社會資本之癌症知識與自身罹癌經驗 31
3.3.2 關係面社會資本之互助互惠與認同感 32
3.3.3 結構面社會資本之社會互動連結 33
3.3.4 促進行動型社會支持之資訊支持與實質支持 34
3.3.5 滋養型社會支持之情感支持、自尊支持與網絡支持 35
3.3.6 前測 38
3.4 資料收集流程 39
第四章 資料分析 41
4.1 樣本基本資料分析 42
4.2 信度、效度分析 51
4.3 假說檢定 60
4.4 討論 64
第五章 研究結論 67
5.1 研究結果及討論 67
5.2 研究貢獻 69
5.2.1 學術上之貢獻 69
5.2.2 實務上之貢獻 70
5.3 研究限制與未來研究建議 71
文獻參考 72
附錄一 77
附錄二 78

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