Simple skills develop in infants separately and independently and later develop into more complex skills. Which governing principle of growth is applied here?

1. AProximodistal principle
2. BCephalocaudal principle
3. CPrinciple of hierarchical integration
4. DPrinciple of independence of the systems

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Correct answer: C. Principle of hierarchical integration

Explanation

Separate simple skills that later combine into complex ones illustrate the principle of hierarchical integration.