“…Around this age they also begin to understand hidden displacement (Piagetian stage 6 object-permanence), demonstrate means-ends reasoning, show empathic behavior, engage in simultaneous imitation games, interpret external representations, and recognize themselves in mirrors (see , for a review). All these new displays are argued to be based on the ability to go beyond a direct model of the world and recombine elements of previous primary representations into past or novel (projected future or merely hypothetical) constellations (Asendorpf, Warkentin, & Baudonniere, 1996;Perner, 1991;Suddendorf, 1998b) and correlational findings in support of this have been reported (Asendorpf et al, 1996;Baudonniere, Margules, Belkhenchir, Pepe, & Warkentin, in press;Bischof-Kohler, 1989;Chapman, 1987;Lewis & Ramsay, 1999;Nielsen & Dissanayake, 2001).…”