“…Children, who exhibited early withdrawn and socially reticent behavior, demonstrated less adaptive emotional regulation and affective engagement in the classroom at the end of the year. This replicates findings from previous research indicating that socially inhibited behavior problems are inversely related to adaptive self-regulation skills and engagement with peers (Bulotsky-Shearer & Fantuzzo, 2004;Eisenberg, Shepard, Fabes, Murphy, & Guthrie, 1998;Rubin, Cheah, & Fox, 2001;Spinrad et al, 2004). Shields and Cicchetti (1997) suggest that withdrawn children may lack foundational skills such as flexibility, emotional understanding, and communication skills that underlie regulatory difficulties.…”