近年資訊科技應用蓬勃發展，而資訊系統必須經過一連串的發展過程，需要在組織與技術的配合之下才得以達成。但由於任務或技術上的因素，資訊系統的發展經常遭遇困難，使得專案難以按照最初的規劃進行，其中系統需求的變更經常造成開發團隊的困擾，當系統完工交付後，為了因應必要的需求變更，而進行的系統修改，往往成本也十分高昂。

本研究透過對大型資訊系統開發專案團隊的訪談，將訪談的談話內容，透過逐字逐句的繕打，建立逐字稿文本，透過文字的形式進行文本分析(Textual Analysis)。本研究利用第一階段開放性譯碼結果，歸納出任務與技術兩類的資訊系統彈性開放性譯碼，透過此13項譯碼，可以識別開發團隊在系統發展過程之中，存在的與缺乏的系統彈性。依據資料分析結果，欲使整體系統發展保有彈性，必須先確保任務類彈性存在，而當中最關鍵的是必須清楚定義所有的工作。在專案中減少錯誤彈性，是銜接到技術類別重要的引信。另一方面導致整體專案缺乏彈性的原因，也是因為無法清楚定義工作需求，需求不夠清楚將直接導致缺乏任務類彈性與技術類彈性。

本研究依據系統彈性目標，提出一個可用以觀察大型資訊系統彈性的譯碼。以及實際對一個發展中的大型資訊系統，進行系統彈性存在狀況分析。就其系統彈性利用情形，提供具體的建議。

Information Technology has a huge growing in recent years. For developing an information system need to achieve a series development process. But to build a success IS not only need  technology but a organizational factor must considered. IS developing often face to challenges, made the project difficult to carry out values with the original plan. So that development team needs to change but also caused extra troubles. And when the system is delivered, there is also need to adapt necessary change because of the outside environment, and it is often costly. 

This study survey a large-scale information systems development of public sector, we took a team interviews in core member of development team. The interview transcript, verbatim typed in through the establishment of plain text. Text analysis (Textual Analysis) conduct through those text. In this study, the results of the first phase of open coding, summed up two types of open coding, task and technology. Through the 13 open codings, we can identify system flexibilities from the system development process. Both exist and lack flexibilities. Based on the results of data analysis, the overall system development purports to maintain flexibility, you must first ensure that the task flexibilities exist, which most critical is the need to clearly define all the work. Reducing errors in project is the important linkage to technology categories flexibilities. On the other hand, overall lack of flexibility reasons for the project is no clear definition of work requirements, which will directly lead to a lack of flexibility both task and technology. 

We proposed an flexibilities coding for identify information systems programs. Also evaluation in an empirical large-scale information system development. We also conclude recommendations to getting more flexibilities for this case.

目錄
 第一章　緒論	1
 第二章　文獻探討	5
2.1	彈性	5
2.1.1	各領域中的彈性	5
2.1.2	資訊系統彈性	6
2.2	社會科技模型	8
2.2.1	資訊系統風險	8
2.2.2	任務科技適配	9
 第三章　研究方法	10
3.1	樣本描述	10
3.2	資料收集程序	11
3.3	深度訪談	13
 第四章　資料分析	15
4.1	開放性譯碼	15
4.1.1	任務類彈性	15
4.1.2	技術類彈性	20
4.1.3	開放性譯碼小結	25
4.1.4	資訊系統風險	26
4.2	主軸譯碼	30
4.3	選擇性譯碼	47
 第五章　結論	57
附錄：名詞解釋	59
引用文獻	60


表目錄
表 1 –各領域中彈性的定義	6
表 2 –資訊系統彈性定義	8
表 3 –人員訪談概況	15
表 4  – 任務類彈性定義	17
表 5  - 系統存在任務類彈性的狀況	19
表 6  – 系統缺乏任務類彈性的狀況	20
表 7  – 技術類彈性定義	23
表 8  - 系統已經存在技術類彈性的狀況	24
表 9  - 系統缺乏技術任務類彈性的狀況	25
表 10 - 以任務科技模式作為歸類的風險事件	30
表 11 – 主軸編碼範例	34

 
圖目錄
圖 1 - 介面管制小組的主軸譯碼	35
圖 2 - CMMI利弊的主軸譯碼	36
圖 3 - 需求不夠清楚難以估計資源的主軸譯碼	37
圖 4 - 軟體版本佈署需要授權的主軸譯碼	37
圖 5 - 人員變動使得設計初衷不明的主軸譯碼	38
圖 6 - 乙方使用雛型法降低不確定性的主軸譯碼	39
圖 7 - 乙方自行開發框架的主軸譯碼	39
圖 8 - 乙方駐點的主軸譯碼	40
圖 9 - 資安需求的主軸譯碼	41
圖 10 - 新應用系統與新技術的主軸譯碼	41
圖 11 - 舊平台需求連動的主軸譯碼	42
圖 12 - 需求變更的主軸譯碼	43
圖 13 - 整合測試間段浮現的架構問題的主軸譯碼	43
圖 14 - 畫面與物件導向元件的重複使用的主軸譯碼	44
圖 15 - 新應用系統組織權責不明的主軸譯碼	45
圖 16 - 新應用系統發展的阻力的主軸譯碼	45
圖 17 -清楚定義工作需求存在彈性的選擇性譯碼	48
圖 18 -良好介面彈性存在的選擇性譯碼	51
圖 19 - 缺乏清楚定義工作需求的選擇性譯碼	54

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