Answer:
3
Explanation:
Secondary circular reactions
Substages of the sensorimotor stage
Piaget divided the sensorimotor period into six different substages that involve specific developmental milestones.
Secondary circular reactions
From 4 to 8 months of age, they begin to use objects to learn about the world. This process generally begins by accident, but as your baby starts to enjoy their ability to make things happen, they’ll continue these activities again and again.
They might throw or drop a toy , shake a rattle, or bang objects together to make delightful (at least to them) sounds. This enables them to make more sounds on their own. For example, they’ll laugh, make speech-like sounds, and use sound to express happiness, excitement, or unhappiness. Six -month Aisen is at this substage of the sensorimotor stage