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Babies often enjoy playing "peek a boo" with older children and adults. According to Piaget, when you cover your face the baby may not understand that you still exist behind your hands. If this is correct, the child would be described as
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Q49: Benjamin is a researcher studying ways to
Q74: Observational research has found that blind infants
Q80: Amber and Lisa are identical twins. They
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Q93: Greg, Peter, and Colin enjoy playing together.
Q96: Based on the research into various factors
Q162: The first step in the "circle of