Toddlers were asked to find a hidden toy based on one hidden in a scale model of the room, after varying periods of delay. Subjects experiencing a longer delay on the first trial performed more poorly than those experiencing the long delay later in the trials. Results indicate the difficulty for children of keeping a symbol-referent relation in…

Infants' understanding of "toy model-real exemplar" relations was assessed through preferential looking and habituation tasks. Results from the preferential looking task suggest that 18-month toddlers are just beginning to demonstrate comprehension of symbolic relations between iconic models and their real object counterparts. Performance of 10-…

Examined whether toddlers would use information presented through video to solve a retrieval problem. Found that 2.5-year-olds were very successful at finding a hidden toy based on viewing a televised hiding event, but 2-year-olds were not. Substantially better performance was achieved by other 2-year-olds who either watched or believed they were…