臺灣博碩士論文加值系統

由於軟體開發專案容易失敗，學者開始注重提升專案績效的方法。並且他們指出需求不確定性與衝突是影響專案績效不佳的重要因素。普遍來說需求不確定與衝突會負面影響績效，但在軟體專案中較少研究人員探討任務相依性對績效的影響。本研究延伸過去學者在軟體開發專案研究，為了更瞭解需求不穩定和衝突對績效的影響，因此本研究加入任務相依性如何影響績效。本研究採用問卷調查法，針對企業內部的專案進行研究，從241份有效問卷資料產生多元迴歸分析結果。最後結果發現，任務相依性與任務衝突間的交互作用會影響專案績效。當任務相依性較高時，能加強任務衝突對專案績效的正向關係且達顯著標準。所以我們的結果讓管理者在專案執行過程中提供了相對應的意見與想法，讓他們加強成員間的任務相依性，以達到最後產生好的專案績效。

Because the high failure rate of software development projects, scholars began to focus on methods to improve project performance. They pointed out that requirements uncertainty and conflict are the important factors affecting project performance. Generally, requirements uncertainty and conflict can negatively affect project performance, but not many software project researchers investigate the effects of task interdependence on project performance. The present study extends previous research in the software development project. In order to understand the requirements instability and how conflict impacts performance, the present study also examined how task interdependence affects project performance. Questionnaire was used in conducting research for the projects, resulting in 241 valid questionnaires for multiple regression data analysis. As a result we found that task interdependence moderate the relationship between task conflict and project performance. When task interdependence is high, task conflict can enhance project performance. Therefore, our results allow managers to provide views and ideas in the course of the project, and allow them to strengthen task interdependence among the project members in order to attain good project performance.

Title Page......................................i
Letter of Approval..............................ii
Letter of Authority.............................iii
Abstract in Chinese.............................vi
Abstract in English.............................vii
Acknowledgments.................................viii
Table of Contents...............................ix
List of Tables..................................x
List of Figures.................................xi
Chapter 1 INTRODUCTION..........................1
1.1 Background and Motivation.................1
1.2 Research Objectives.......................3
1.3 Organization of the Study.................3
Chapter 2 LITERATURE REVIEW.....................5
2.1 Task Interdependence......................5
2.2 Requirements Uncertainty..................8
2.3 Conflicts.................................9
2.4 Project Performance.......................12
2.5 Research Hypotheses.......................14
Chapter 3 RESEARCH METHODS......................19
3.1 Research Framework........................19
3.2 Research Methods and Samples..............20
3.3 Research Variables........................21
Chapter 4 RESEARCH ANALYSIS AND RESULTS.........24
4.1 Data Analysis Methods.....................24
4.2 Descriptive Statistics....................28
4.3 Study Results.............................32
Chapter 5 CONCLUSION............................37
5.1 Conclusion................................37
5.2 Research Contributions....................38
5.3 Study Limitations and Future Research.....39
REFERENCE.......................................41
Appendix A. Measure Indicators..................46
Appendix B. Common Method Bias..................47

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