Infants as young as six months old tend to expect that plants are food sources, but only after an adult shows them that the food is safe to eat. This is according to new research published in iPsychological Science/i, a journal of the Association for Psychological Science. The findings show that, after watching an adult put part of a plant and part of a man-made object in her mouth, infants at 6- and 18-months of age preferentially identify the ...
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