Can babies tell good from bad?
Using puppets, researchers at Yale University's baby lab modeled a good behavior and a bad behavior and then watched to see which puppet a 5-month old baby would reach for at the end. Most babies reached for the puppet that exhibited good behavior.
Researchers also repeated the experiment with babies as young as 3 months old and found that the babies, though they couldn't yet reach, kept their eyes on the good guy for longer.
Do you think babies can tell good from bad?
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Kristi Palma, Boston.com Moms producer, is the mom of a first grader and a preschooler. She is a writer who enjoys cooking her grandmother's Italian recipes (when her son isn't launching paper airplanes into them). Follow her on Twitter @kristipalma.