隨著以視覺化呈現為主之社群平台Instagram近年的廣泛流行，人們經常在Instagram上分享與浪漫關係相關的發文，而這些訊息則可能被其他用戶當成浪漫關係社會比較的對象。本研究結合社會比較之兩大面向：外貌社會比較與關係社會比較，並且拓展關係社會比較解讀之研究，透過實驗法在Instagram上操弄觀看不同浪漫關係的伴侶合照，及照片中人物外表吸引力程度，產生向上與向下關係社會比較方向與不同外貌社會比較程度，探討經由關係社會比較解讀的中介效果後，對於受測者之關係品質以及主觀幸福感之影響。本研究結果顯示，在向上關係比較時，高外貌社會比較程度會提升個體負面解讀並降低向上正面解讀程度；此外，高外貌比較組的關係品質程度顯著低於低外貌比較組，而兩組的主觀幸福感程度則無顯著差異。另一方面，在向下關係比較時，外貌社會比較程度對於個體負面與向下正面解讀程度不會造成顯著差異，對於關係品質與主觀幸福感程度也皆無顯著差異。此外，當依變數為向上與向下正面解讀時，性別內伴侶競爭的調節作用不顯著；然而，當依變數為負面解讀時，性別內伴侶競爭的調節效果則呈現顯著。
本研究對於社群網站上關係社會比較領域之研究具重要理論貢獻，藉由觀看其他社群平台用戶的照片發文，結合外貌社會比較與性別內伴侶競爭，以社會比較之不同面向，深入探討關係社會比較解讀之運用；此外，研究也提供實務建議幫助社群網站用戶意識到社群使用產生之線上社會比較對於線下自身浪漫關係與自我心理狀態之影響。

With the recent popularity of Instagram, an image-based social platform, people often share posts about their romantic relationships on Instagram, and these messages may be regarded by other users as objects of romantic relationship social comparison.
This study combines two aspects of social comparison: appearance social comparison and relationship social comparison, and expands the current study on the relationship social comparison interpretation. By manipulating participants to view posts of couples in different romantic relationships and with different levels of physical attractiveness, we create the upward and downward relationship social comparison direction and different appearance social comparison level, to explore the mediating effect of relationship social comparison interpretation on relationship quality and subjective well-being.
The results of this study found that, when the comparison direction is upward, high appearance social comparison will increase the individual's negative interpretation and decrease the degree of positive upward interpretation. In addition, the relationship quality of the high appearance comparison group was significantly lower than that of the low appearance comparison group, and there was no significant difference in the subjective well-being between the two groups. On the other hand, when the comparison direction is downward, the level of appearance social comparison has no significant difference in the degree of individual’s negative and positive interpretation. there was also no significant difference in relationship quality and subjective well-being between the two groups. In addition, when the dependent variables were upward and downward positive interpretations, the moderating effect of intrasexual competitiveness for mates was not significant. However, when the dependent variable was negative interpretation, the moderating effect of intrasexual competition was significant.
This study has significant theoretical contribution to the study of relationship social comparison on social networking sites. By viewing the photos of other users on the social platform, combining appearance social comparison and intrasexual competition, this study explores the application of relationship social comparison interpretations in different aspects of social comparison. In addition, the study provides practical contribution to help SNS users realize the impact of online social comparisons on their romantic relationships and well-being.

論文審定書………………………………………………………………………….i
序言………………………………………………………………………………….ii
中文摘要…………………………………………………………………………….iii
英文摘要……………………………………………………………………………. iv
第一章、緒論……………………………………………………………………….1
第一節、研究背景…………………………………………………………….1
第二節、研究目的與動機…………………………………………………….3
第二章、文獻探討………………………………………………………………….9
第一節、外貌社會比較……………………………………………………….9
第二節、關係社會比較……………………………………………………….13
第三節、關係社會比較解讀………………………………………………….15
第四節、性別內伴侶競爭…………………………………………………….17
第五節、主觀幸福感………………………………………………………….19
第六節、關係品質…………………………………………………………….20
第三章、研究假說與方法………………………………………………………….22
第一節、研究架構…………………………………………………………….22
第二節、研究假說…………………………………………………………….22
一、關係社會比較方向對於關係社會比較解讀的效果……………….22
二、外貌社會比較對於關係社會比較解讀的效果…………………….24
三、關係社會比較方向與外貌社會比較程度之互動作用對於關係社會比較解讀的效果…………………………………………………….26
四、關係社會比較解讀對於關係品質與主觀幸福感的效果………….29
五、性別內伴侶競爭的干擾效果……………………………………….30
第三節、樣本與實驗設計…………………………………………………….31
第四節、實驗刺激與前測…………………………………………………….32
第五節、變數衡量與問卷設計……………………………………………….37
第六節、資料分析方法……………………………………………………….39
第四章、資料分析………………………………………………………………….41
第一節、樣本描述性統計分析……………………………………………….41
第二節、信度與效度分析…………………………………………………….43
第三節、操弄檢定…………………………………………………………….47
第四節、假說分析…………………………………………………………….48
一、關係社會比較方向對於關係社會比較解讀的主效果…………….48
二、外貌社會比較程度對於負面解讀的效果………………………….49
三、關係比較方向與外貌比較程度對於關係社會比較解讀的效果….49
四、關係社會比較解讀之中介效果…………………………………….54
五、關係比較方向與外貌比較程度對關係品質與主觀幸福感的效果.60
六、性別內伴侶競爭的干擾效果……………………………………….61
第五章、結論與建議……………………………………………………………….65
第一節、研究結果與討論…………………………………………………….65
一、關係社會比較方向與外貌社會比較程度對關係社會比較解讀的影響…………………………………………………………………….65
二、關係社會比較解讀對關係品質與主觀幸福感的影響…………….67
三、關係比較方向與外貌比較程度對關係品質及主觀幸福感的影響.68
四、性別內伴侶競爭的干擾效果……………………………………….69
第二節、理論意涵…………………………………………………………….70
第三節、實務意涵…………………………………………………………….72
第四節、研究限制與未來研究建議………………………………………….73
參考文獻…………………………………………………………………………….76
附錄………………………………………………………………………………….88

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