本研究使用網路問卷調查法研究現今國軍官士兵在網路平台使用時，面對國軍假新聞是否存在第三人效果，及其在眷屬與其他人當中的社會距離影響，並運用線性迴歸分析，探討網路平台（臉書、推特、Line、Youtube、Instagram）之可信度，並運 用 Process 迴歸分析分析第三人效果社會距離在支持媒介素養的行為影響，經分析 326 份有效樣本顯示第三人效果社會距離的確存在。而各項媒介可信度與第三人效果 認知差距呈負相關，而第三人效果社會差距與支持媒體素養部分，在眷屬部分視為與自己同群體，因此社會距離越小，有更大支持效果。 

 This study uses online questionnaire method to research the existence of third-party effect among current soldiers when using online platforms, and the impact of social distance on family and others. Linear regression analysis is used to explore the credibility of online platforms (Facebook, Twitter, Line, YouTube, Instagram), and Process regression analysis is used to analyze the influence of social distance of third-party effect on supportive media literacy behavior. Analysis of 326 valid samples shows that the social distance of third-party effect does exist. The credibility of each media and the gap of third-party effect perception are negatively correlated. In the aspect of social distance of third-party effect and supportive media literacy, in the family part, they are considered as the same group, so the closer the social distance, the greater the support effect.