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During the
first year of life, most infants triple their body weight. |
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Proportionally, all parts of the body grow at about the same rate during the
first two years. |
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At birth,
the nervous system contains only a fraction of the neurons the developing person
will need. |
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At birth,
infants’ vision is better developed than their hearing. |
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At birth,
newborns cannot focus well on objects at any distance. |
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All healthy
infants develop the same motor skills in the same sequence. |
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Age norms
for the development of motor skills, such as sitting up and walking, vary from
group to group and place to place. |
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Because of
differing infant-care routines, ethnicity is considered a factor in SIDS. |
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Approximately 8% of the world’s children are severely protein-calorie
malnourished in their early years. |
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Chronic
malnutrition during infancy may lead to permanent damage to the developing
brain. |
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If a
5-month-old drops a rattle out of the crib, the baby probably will not look down
to search for it. |
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Most
developmentalists consider perception to be an automatic process that everyone
experience in the same way. |
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Only infants
age 9 months or older notice the difference between a solid surface and an
apparent cliff. |
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Infants look
longer at strangers whose images and voices indicate happiness than at the
familiar faces of their mothers. |
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Infants’
long-term memory is actually very good. |
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At 1 year,
infants can imitate the actions of a person they observed a day earlier. |
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Children the
world over follow the same sequence in early language development. |
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Deaf babies
begin to make babbling sounds several months later than hearing infants do. |
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When they
first begin combining words, infants tend to put them in reverse order, as in
“juice more.” |
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Most
developmentalists believe that infants develop language in many ways, depending
on a variety of factors. |
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In the
traditional view of personality development, mothers and fathers share equally
in shaping infant character. |
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According to
Freud, an adult who eats, drinks, chews, bites, or smokes excessively may have
been weaned too early. |
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Unlike
Freud, Erikson believe that problems that being in early infancy can last a
lifetime. |
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In part
because of inborn temperamental characteristics, some children are more
difficult to raise and harder to live with. |
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Change in
temperament is not possible, according to epigenetic theory. |
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Infant fear,
as expressed in stranger wariness, signals abnormal development. |
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Attachment
patterns established in infancy almost never change. |
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Social
referencing - searching the expressions of others for emotional cues- becomes
very important as infants begin crawling and walking. |
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Infants use
their fathers for emotional cues in uncertain situations as much as their
mothers. |
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High-quality
day care, even during the infant’s first year, does not lead to negative
developmental outcomes. |