網際網路的發明縮短了人與人地域與時間的距離，過去，在下班時間，部屬與其主管先鮮少有機會及管道相互聯絡、溝通，但在社群軟體的問世之下，社群軟體不僅影響了我們的日常生活，也影響了部屬與其主管的互動，使雙方有更多時間在下班後有交流。此外，在亞洲社會中，主管們習慣於下班後交辦公事，因此本研究將主管與部屬溝通內容分為公事及非公事兩種，亦將溝通頻率分為低、中、高三種頻率，探討不同的溝通組合對個人工作適配、部屬主管適配及個人組織適配的影響。
　　本研究以九位具備正職工作經驗的年輕男女作為研究對象，並透過過往對個人工作適配、部屬主管適配及個人組織適配量表的基礎下，以質性方法做研究，利用訪談方式探討其主管於工作時間外使用社群通訊軟軟體及其頻率高低，對部屬的各項適配度影響。協助企業管理層面上亦能更有效率地使用社群通訊軟體與員工溝通。
　　主要研究發現如下：
一、使用社群通訊軟體與部屬溝通公事頻率越高，對部屬之個人工作適配、部屬主管適配及個人組織適配度將越低。
二、使用社群通訊軟體與部屬溝通私事頻率越高，對部屬之個人工作適配、部屬主管適配及個人組織適配度將越低。
三、使用社群通訊軟體與部屬溝通公事及私事頻率相同時，將對部屬之部屬主管適配產生負向影響。

In the past, subordinates and supervisors had few channels to communicate with each other during non-work time. With the advent of social network application, it changes communication way after work. This study divides the communication content into two types and the frequency of communication is also divided into three types. This study uses qualitative methodology to discuss the impact of the use of social network application and its frequency level. The main findings are as follow:
1. Higher frequency of supervisors having communication on official business with the subordinates via social network application during non-work time, lower P-J fit, S-S fit, P-O fit would have.
2. Higher frequency of supervisors having communication in personal affairs with the subordinates via social network application during non-work time, higher P-J fit, S-S fit, P-O fit would have.
3. When the frequency of communicating on official business and personal affairs are the same, it would result in a negative effect on subordinates-supervisors fit.

Verification letter from the Oral Examination Committee............................................i
Acknowledgments..........................................................................................................ii
Chinese Abstract...........................................................................................................iii
English Abstract............................................................................................................iv
Table of Contents...........................................................................................................v
List of figures................................................................................................................vi
List of tables.................................................................................................................vii
Chapter 1 Introduction...................................................................................................1
1.1 Research Background and Motivation.................................................................1
1.2 Research Objectives.............................................................................................3
Chapter 2 Literature Review..........................................................................................4
2.1 Social Network Application.................................................................................4
2.2 Person-Job Fit.......................................................................................................7
2.3 Subordinate-Supervisor Fit................................................................................10
2.4 Person-Organization Fit.....................................................................................13
Chapter 3 Research Method.........................................................................................15
3.1 Research Framework..........................................................................................16
3.2 Research Subject................................................................................................18
3.3 Research Process................................................................................................20
3.4 Data Analysis.....................................................................................................21
Chapter 4 Research Result...........................................................................................23
4.1 Overall Review...................................................................................................24
4.2 Effects of Frequency of Communicating on Official Business..........................31
4.3 Mediation of Frequency of Communicating on Official Affairs.......................37
Chapter 5 Conclusion & Suggestion............................................................................40
5.1 Conclusion..........................................................................................................41
5.2 Managerial Implication......................................................................................43
5.3 Limitation & Suggestion for Future Research...................................................44
Appendix......................................................................................................................46
Reference......................................................................................................................49

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