“…From this research, we know that over-imitation develops and increases over the preschool years (Hilbrink, Sakkalou, Ellis-Davies, Fowler, & Gattis, 2013;Marsh, Ropar, & Hamilton, 2014;McGuigan, Makinson, & Whiten, 2011;Nielsen, 2006) and seems to be absent in other great apes (Horner & Whiten, 2005;Nagell, Olguin, & Tomasello, 1993;Nielsen & Susianto, 2010).…”