Objective:To explore the chain intermediary effect ofoptimism and self-esteem between social support and psychotic-like experiences(PLEs)in college students with left-behind experiences(LBE).Methods:Social Support Scale for University Students(SSS-U),8 Item-Community Assessment of Psychic Experiences-Positive Subscale(CAPE-P8),Life Orientation Test(LOT)and Self-esteem Scale(SES)were used to survey 1763 college students with LBE.Results:Compared with general college students,college students with LBE exhibited significantly lower scores on SSS-U,LOT and SES,while higher PLEs.Correlation analysi...