Multiple Choice
At what substage of Piaget's sensorimotor period do infants use their bodies to act on the physical environment, repeating actions because they produce a desired effect?
A) Substage 2: primary circular reactions
B) Substage 5: tertiary circular reactions
C) Substage 3: secondary circular reactions
D) Substage 4: coordination of secondary circular reactions
Correct Answer:

Verified
Correct Answer:
Verified
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