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Definition
| can tell the difference between speech sounds (phonemes). Cooing, especially in response. |
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Definition
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Definition
| Understands some words and simple requests |
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Definition
| begins to use single words |
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Definition
| vocabulary of about 30-50 words (simple nouns, adjectives, and action words). |
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Definition
| two-word phrase ordered according to syntactic rules. Vocabulary of 50-200 words. Understands rules. |
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Definition
| vocabulary of about 1,000 words. Production of phrases and incomplete sentences. |
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Term
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Definition
| Vocabulary grows to more than 10,000 words; production of full sentences; mastery of grammatical morphemes (such as "-ed" for past tense) and function words (such as "the, and, but"). Can form questions and negations. |
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