Callous–Unemotional Traits as Markers for Conduct Problem Severity in Early Childhood: A Meta-analysis

Extensive research has shown that callous–unemotional (CU) traits in middle-childhood and adolescence are markers for a particularly severe and chronic pattern of antisocial behavior (Frick et al. in Psychol Bull 140:1–57, 2014). Comparatively little, however, is known about the relationship between CU traits and antisocial behavior in early childhood. A meta-analysis of k = 10 studies comprising n = 5731 participants was conducted to examine...