Microgenetic Research by James Galloway and Esther Thelen Shows That

Microgenetic research by James Galloway and Esther Thelen shows that

A) of all the motor skills, walking alone plays the greatest role in infant cognitive development.
B) infants reach for objects with their feet before they reach for objects with their hands.
C) there are minimal individual differences in the rate and progression of infant motor development.
D) infant motor skills develop according to a strict, predetermined cephalocaudal pattern.