Scientists let toddlers play with a toy-dispensing vending machine. Here’s what they learned
Some children experimented with a machine that contained a mix of pink and purple toys, while others had a machine filled ...
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Study shows toddlers learn better from impossible events
Two- and three-year-old children were shown a gumball-type machine filled with toys. Some kids saw a mix of pink and purple toys. Others saw the machine was filled with only purple toys.