Packet 10: Tossup 8

This psychologist illustrated the idea of conservation by asking people whether a ball or a thin “hot dog” had (15[1])more clay. (15[1])This psychologist’s ideas were inspired by seeing wrong answers to problems on Alfred Binet’s IQ tests. People assimilate new info or change their existing knowledge via accommodation in this (15[1])psychologist’s idea of (*) schemas. Milestones like overcoming egocentric (10[1]-5[1])thought and obtaining object permanence occur in a model by this psychologist (10[1])which includes the preoperational and sensorimotor stages. (10[1])For 10 points, name this Swiss psychologist who theorized four stages of childhood cognitive (-5[1])development. ■END■ (10[1]0[10])

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