Created in 2007 by the Pennsylvania Office of Child Development and Early Learning (OCDEL), The Pennsylvania Key implements the work and supports the policies developed and managed by OCDEL. Learn More. >
Lisa Mulliken Piaget is a well-known name in the early childhood world. Piaget was a Swiss psychologist who created theories of cognitive development. Piaget’s theories included the concept of schemas. In simple terms, a play schema can be thought of as a group of instructions or repeated behaviors that children use during play. Children use...Read More