Six-month-old Aisen is playing on his back. He accidentally grabs a toy when his hand touches a toy. He likes the noise that it makes, so he grabs the toy again and tries to shake the toy. According to Piaget, what substage of the sensorimotor stage is Aisen experiencing?
a. 1: simple reflexes
b. 2: first habits and primary circular reactions
c. 3: secondary circular reactions
d. 4: coordination of secondary schemas
Answer: C
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