Multiple Choice
Baby Rolf first demonstrated the ability to kick and reach, then learned to rock on all fours, and later combined the skills to crawl. Rolf is exhibiting evidence of
A) dynamic systems theory of motor development.
B) the cephalocaudal trend.
C) the proximodistal trend.
D) a built-in maturational timetable.
Correct Answer:

Verified
Correct Answer:
Verified
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