在疫情時代，虛擬社群代表著社會中的溝通型態的轉變，虛擬社群取代了傳統實體社群，本研究旨在探討使用社群軟體的企業員工，其感知任務科技適配與虛擬社群意識，是否能影響其績效影響，並以「任務科技適配模型」為基礎，加入虛擬社群中的虛擬社群意識做為變項，來探討架構中的任務特性及科技特性，如何對任務科技適配度造成影響，以及虛擬社群意識對於任務科技適配度及績效影響之中介效果。
本研究採用問卷調查法，以有在企業組織中創建或參與虛擬實務社群之個人進行問卷投放，有效樣本314份。研究結果發現：（1）「任務特性」、「科技特性」正向影響「任務科技適配度」；（2）「任務科技適配度」正向影響「虛擬社群意識」；（3）「任務科技適配度」、「虛擬社群意識」正向影響「績效影響」；（4）「虛擬社群意識」部分中介「任務科技適配度」及「績效影響」兩者之間之關係。本研究根據結果提出建議，認為應著重任務科技適配度，強化工作任務與科技特性之間的符合程度，以提升績效影響，相關研究結果可供研究之企業，以及後續研究者作為相關研究參考。

During the COVID-19 pandemic, virtual communities represent the change of our communication patterns and replaced traditional communities. This research aims to explore individuals using social media within the enterprise, perceiving Task-Technology-Fit and Sense of Virtual Community, that affect performance impact. Through the Task-Technology-Fit Model mix in new variables- the sense of virtual community, exploring the relation of Task Characteristics and Technology Characteristics. Moreover, we discuss the sense of virtual community for the mediating effect of Task-Technology-Fit and performance impact.
In this study, the questionnaire survey method was used on the employees using social media within the enterprise. It resulted in 314 valid samples. The results of this study show that: (1) Both Task Characteristics and Technology Characteristics have significant influences on Task-Technology-Fit. (2) Task-Technology-Fit has significant influences on Sense of Virtual Community. (3) Both Sense of Virtual Community and Task-Technology-Fit has significant influences on performance impact. (4) Sense of Virtual Community has the partial mediating effect of Task-Technology-Fit and performance impact. According to the results, this study suggests that it should increase the Task-Technology-Fit to enhance the adaptability of technology and work requirements. The results of the study can be referenced by the enterprises which use social media, as well as follow-up researchers.

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