Purpose: This study aims to explore the effects of callous-unemotional (CU) traits on disruptive behavior during the ages of 11 and 12 while considering main and moderating influences associated with pubertal development (PD), distinguishing outcomes by sex. Methods: This longitudinal study of a Spanish community sample explores children at ages 11 (n = 447, M = 11.6, SD = 0.3) and 12 (n = 360, M = 12.8, SD = 0...