“…For example, infants as young as 12 months spontaneously help others to retrieve an accidentally displaced object (Liszkowski, Carpenter, Striano & Tomasello, 2006;Warneken &Tomasello, 2006, and 2-year-olds will often attempt to repair harm they have caused (Barrett, Zahn-Waxler & Cole, 1993;Kochanska, Gross, Lin & Nichols, 2002). Although the early development of prosocial behavior is well established (see also Dunfield, Kuhlmeier, O'Connell & Kelley, 2011;Dunfield & Kuhlmeier, 2013), the mechanisms that drive the maturation of prosocial behavior beyond infancy are unclear (Paulus & Moore, 2012). Taking Hoffman's (1975Hoffman's ( , 2000 influential theory of moral development as a starting point, the current study aims to address this gap in the literature.…”