PSYC 2500 Lecture Notes - Lecture 12: Dual Representation, Object Permanence, Tums
14 Oct 2014
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4 periods: sensorimotor (birth to ~2 years, preoperational (~2 years to ~6 r 7, concrete operational (~6 or 7 to ~11 or 12, formal operational (~12 and onward) Order is invariant and cannot be skipped: age at which it is reached can be different but the order is concrete and no stage can be skipped, stages are universal. Children are able to do general thing at each stage. Later developments build on earlier ones: sensorimotor (birth to ~ 2 years. Out of sight, out of mind: baillargeon challenged this claim with habituation. Habituation: child has gotten used to seeing something. No longer holds the attention of the child. 3. 5 to 4. 5 month olds: violation of expectation design, produces a possible and impossible event. If the child looks longer at the impossible, it means the child knows that the object should be there, which means they have object permanence. Children still make the a-not-b error after object permanence.
