“…Mothers are expert play partners who are more likely to respond to infant's pretence initiations, elaborate on them (i.e., what else can be done? ), and make pretend play continue for longer periods (Bornstein et al, 1996;Fiese, 1990;Garvey, 1990;Haight & Miller, 1993;Lillard et al, 2007;Nielsen & Christie, 2008;Noll & Harding, 2003;Slade, 1987). Thus, it seems that when an infant performs a pretend act in the mother's presence, it is more likely to result in coordinated social pretence play, than when the same act is performed in the presence of a peer.…”