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| actual WORDS (where they start and stop) |
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| PURPOSES and ways in which words and sentences are used in convo |
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| organization of words into senteces, sentences into paragraphs |
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2-3 months
babies repeat the same vowel sound change the pitch |
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5-6 mothns
add consanants to the vowels and string together sounds
NECESSARY step in development |
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| about same age they babble |
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easiest to say
sounds with lips come before tip of tounge |
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| comprehension of a child is... |
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| always greater than production, always understand more |
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| slow going for first 6 months, but at 2 years there is vocab explosion |
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| principle of underextension |
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babies use words narrowly, too restrictively
ex car means only the yellow small one |
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a single word represents an entire phrase
ex: child says dog which stands for look at that dog |
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| 5-10 times greater thatn speaking vocab |
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| two word sentences appear... |
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21 months
mark a big leap in which language becomes a symbolic system expressing relationship |
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