Inspired by the Social Dilemma Theory (SDT;Dawes, 1980), the current project aimed to analyze the impact of free-rider behaviors and the fear of being taken advantage on collective tasks.

• 摘要本研究根据社会困境理论所述的现象，假设团体成员在团体的集体作业中，怀有佔别人便宜的投机心态与担忧被他人佔便宜的双重心态，而推论流动性高的团体比起流动性低的团体会产生成员倾向出走的恶性循环。