Baby troy sees his favorite stuffed bear on the couch across the room. He crawls over to the couch, pulls himself up, and reaches for his bear. This sensorimotor substage fits into coordination of secondary circular reactions.
Coordination of secondary circular reaction is a phenomenon of infancy when the child is 8-12 months old and does activities that are directed towards a certain goal. During this age the child learns to do things for pleasure for example shaking a rattle just to hear the noise.
Some other objectives of the baby include looking for hidden objects, reaching for their favorite toys etc.
To know more about coordination of secondary circular reactions refer to the link below
https://brainly.com/question/15155193
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