Two-year-old Tiki has acquired the ability to spin one arm in a large circle while holding the other arm perfectly still. This exemplifies the orthogenetic principle element of
a. a differentiated response.
b. global responding.
c. integration.
d. reserve capacity.
Question 2
When a typical infant attempts to kick a ball, it tends to do so with its whole body.. When a typical first-grader attempts to kick a ball, he or she tends to do so only using a foot. The change best exemplifies the _____ principle.
a. orthogenetic
b. epigenetic
c. cephalocaudal
d. Babinski
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