Baby carter sees an empty box on the floor. he crawls over to the box and begins putting his blocks into it. a few minutes later, he tips the box on its side and crawls into it. he then crawls out of the box, stands up, and puts the box on his head like a hat. he walks around with the box on his head until he bumps into the wall. which sensorimotor substage is carter in?
a. internalization of schemes
b. tertiary circular reactions
c. coordination of secondary circular reactions
d. secondary circular reactions

The correct answer is option - B. tertiary circular reaction.

Explanation:

The sensorimotor stage is made up of 6 sub-stages that starts from birth and last up to 24 months. These 6 sub-stages are reflexes (0 to 1 month), primary circulation (1 to four months), secondary circular reactions (four to eight months), coordination of reaction (eight to twelve months), tertiary circular reaction (twelve to eighteen months) and lastly early representational thought (18 to 24 months).

The baby carter is in the tertiary circular sub stage of sensorimotor as it is the stage that is characterized by exploring and trying new actions. It is the fifth stage in which babies start the trial and error experimentation as carter walk around with box until he bumps his head.

Thus, the correct answer is option B. tertiary circular reaction.

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