Multiple Choice
Piaget's Substage 4 (Coordination of secondary circular reactions stage) occurs for infants in the age range of
A) 4 to 8 months of age.
B) 8 to 12 months of age.
C) 12 to 16 months of age.
D) 16 to 20 months of age.
Correct Answer:

Verified
Correct Answer:
Verified
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