What happens when a child is forced to accept another as a sibling? Well, what happens when the new baby sister is actually a chimpanzee? A couple conducted an experiment in the 30s, using their own toddler as the control and a baby chimp as their test subject. However instead of the chimp learning to act like a human, they got unexpected results as their own child ended up having developmental issues. Monkey see, monkey do? Let’s get into it.

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Sources:
[The Ape and the Child: A Study of Environmental Impact upon Early Behavior]
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[Humans and Animals: Feral Children]
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[Early Childhood Development]
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[Chimps and Sign Language Experiments]
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Other Sources:
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