“…That model has been since replicated with regard to adolescents’ internalizing problems (Milan, Zona, & Snow, 2013), middle childhood aggression (Cyr, Pasalich, McMahon, & Spieker, 2014), and toddlers’ defiance (Lickenbrock, Braungart-Rieker, Ekas, Zentall, Oshio, & Phanalp, 2013) and affective problems (Mills-Koonce, Propper, & Barnett, 2012). Early security or insecurity served as a potent moderator of future parent-child dynamics, with maladaptive cascades unfolding only in dyads insecure in infancy, even though long-term main effects of early attachment have been typically modest or absent.…”