近年來，偶像養成選秀節目蔚為風潮，賽制中，觀眾投票給選手的票數成為了排名依據。許多粉絲投入了大量的時間與金錢為支持的偶像投票，希望偶像能順利出道。而當投資越多，是否會增加粉絲對偶像的喜歡呢？本研究利用問卷調查法，試圖了解時間投資對擬社會關係中承諾度與偶像崇拜程度的影響，並利用投資模型作為中介變項進行檢驗。最終發現「感知投資」為最重要的中介變項，意即當粉絲感覺投資越多，對偶像的承諾與崇拜越高。 

In recent years, idol cultivation talent shows have become popular. In the competition system, the number of votes which voted by the audiences to the contestants are the basis of the ranking. Many fans have invested a lot of time and money in voting for their supporting idols, hoping that they can debut successfully. When more investment, will it increase fans' love for their idols? This study uses the survey method to understand how time investment impacted commitment and idol worship in parasocial relationships, and uses the investment model as mediation. Finally, "perceived investment" is found to be the most important mediation, which means that when fans feel that they invest more, their commitment and worship of their idol will be more.