In which of the following substages of sensorimotor development do infants become intrigued by the many properties of objects and by the many things they can make happen to objects?
A) tertiary circular reactions, novelty, and curiosity
B) coordination of primary circular reactions
C) coordination of secondary circular reactions
D) internalization of schemes

Question

Quizplus · Accepted Answer

Tertiary circular reactions, novelty, and curiosity occur in the fifth substage of sensorimotor development (ages 12-18 months), where infants become intrigued by the many properties of objects and the many things they can make happen to objects. Coordination of primary and secondary circular reactions occur during the earlier subtypes of sensorimotor development, and while internalization of schemes occurs in the later subtypes, it is not related to infants' fascination with object properties and effects.

In Which of the Following Substages of Sensorimotor Development Do