Even Six-Month-Old Babies Have a Sense of Probability (image)

Caption
The babies preferred to look at the basket mainly filled with yellow balls (left red square) in comparison to the other one (right red square)--presumably because they were surprised that it was just made up of the rare yellow balls and that it was therefore a very improbable event.
Credit
Max Planck Institute fur Human Cognitive and Brain Sciences (MPI CBS)
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