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. Author manuscript; available in PMC: 2013 Aug 30.
Published in final edited form as: Hum Evol. 1988 Feb 1;3(1-2):45–64. doi: 10.1007/BF02436590

Figure 3.

Figure 3

This 14-month-old child saw the adult pull apart the toy 24 hours earlier. After duplicating the act, infants will often look up, smile, and offer the toy to the adult. Time from first touching the object is shown in the upper right of each frame.