Chan, Kit KwanKit KwanChan2026-01-142026-01-142016http://hdl.handle.net/20.500.11861/2639989 pagesUnder strength-energy model, self-control is a limited resource with depletion once using it. Studies suggested subjective time perception and heightened motivation are explaining factor and strengthening factor in the model respectively (Baumeisteret al., 2007). Since aerobic exercise also is a self-control act, this study aims to investigate the performance of its subsequence after ego depletion 1) by using prospective and retrospective time perception and 2) when providing incentives, how both time perceptions are executed. Thirty-four runners were divided into four groups with different conditions to play the Stroop game that demonstrated their subsequence self-control ability after the intensive aerobic exercise of 10-km race. Although the results validated the explanation of self-control strength by both prospective and retrospective paradigms independently under conditions of motivation or control, it is not sufficient to compare the effects under these paradigms. And the fatigue level by SOFI could not interpret the manipulated condition in this study hence it is failed to be the measurement in the strength-energy model. Further experiments are required with larger sample size to validate the effect of motivation or other strengthening factors by subjective time perception.enThesis