Objective: To investigate the measurement invariance of the Community Assessment of Psychic Experiences-Positive Subscale(8 items) (CAPE-P8) across different gender and time in adolescents. Methods: 3002 boys and 3033 girls from 11 middle school in Hunan province were recruited in this study. The scale for the CAPE-P8 was used to measure the participants'psychotic-like experiences in the baseline and after 12 months. Results: Multi-group confirmatory factor analysis was conducted to test the survey data. The results showed that configural, weak, strong and strict invariance of the CAPE-P8 were...