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Luo, Yuyan; Kaufman, Lisa; Baillargeon, Renee – Cognitive Psychology, 2009
The present research examined whether 5- to 6.5-month-old infants would hold different expectations about various physical events involving a box after receiving evidence that it was either inert or self-propelled. Infants were surprised if the inert but not the self-propelled box: reversed direction spontaneously (Experiment 1); remained…
Descriptors: Infants, Cognitive Psychology, Cognitive Development, Expectation