Lexical and Sematic Development

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Lexical Development
A child’s acquisition of words
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Semantic Development
A child’s acquisition of meanings associated with words.
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Vocabulary acquisition
does not end at a certain age we continue hearing and learning new words.
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Rate of acquisition
...
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End of 1st year:
Child begins to speak
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12 months:
Vocab of about 50 words
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24 months:
Vocab of about 200 words
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EXPLOSION
....
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36 months:
Vocab of about 2000 words
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7 years:
Vocab of about 4000 words
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Understanding
These figures refer to words
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At each stage, the number of words understood by the child
is expected to be higher.
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At 24 months
a child may have only learn to use 200 words
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By 18 months
a child might understand 250
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Meanings
When a child adds a new word to their vocab they are not immediately aware of its full range of meanings (semantics. More time is needed to acquire this knowledge. This helps them to link objects and ideas together.
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First Words
Research: predictable patterns in words and word classes acquired by children.
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Other cards in this set

Card 2

Front

Semantic Development

Back

A child’s acquisition of meanings associated with words.

Card 3

Front

Vocabulary acquisition

Back

Preview of the front of card 3

Card 4

Front

Rate of acquisition

Back

Preview of the front of card 4

Card 5

Front

End of 1st year:

Back

Preview of the front of card 5
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