In interpreting the Denver Developmental Screening Test, average refers to skills exhibited by 50 percent of all children at a given age. Basic screening to assess infant's general health and development
Principles of infant development:
Development is systematic and orderly. It is predictable and directional—cephalocaudal—development from head to toe (they learn to move their head before they learn to walk, they learn to move their hands before they learn to move their toes, and proximal-distal—from the middle outward—learn to move their hands before they learn to move their fingers.) Development becomes more differentiated—specialized; it shifts from being all the same to being more specific. Development is becoming more integrated and complex. Children are capable of meeting developmental skills; we do not need to teach them how to use a pinsor grasp. New skills predominate—they don't forget what they learn.
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