AnswersCUSD Psychology 5.0Nature vs. Nurture

Physical Development Answers

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5

Infants will often reach for things by __________ before they learn to reach with their arms.

A
raising their head and scooting
B
crawling
C
twisting their entire body
D
grasping with their hands
8

Which of the following statements concerning childhood brain development is not true?

A
Children seldom remember events that occurred before the age of three.
B
Infants can make cause and effect associations before the age of three.
C
Synaptic pruning occurs as the growth of fatty tissues around neurons increase.
D
Myelination helps to speed up information processing during childhood.
10

Developmental norms are the average age at which ___________.

A
an individual displays certain patterns of behavior
B
infants reach milestones that mark developmental trends
C
children demonstrate abnormal behaviors
D
variations in development are established

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