Child Language Development

Front

Stages of language development

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Pre-linguistic, Babbling, One-word, Two-word, Telegraphic

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Pre-linguistic stage

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Birth to 12 months, cooing and crying

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Babbling stage

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6 to 8 months, repetitive consonant-vowel sounds

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One-word stage

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12 to 18 months, single words for objects or actions

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Two-word stage

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18 to 24 months, simple two-word combinations

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Telegraphic speech

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24 to 30 months, short sentences without function words

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Vocabulary spurt

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Rapid increase in word acquisition around 18 months

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Overextension

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Using a word too broadly, e.g., "dog" for all animals

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Underextension

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Using a word too narrowly, e.g., "cat" for only family pet

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Morphological development

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Learning to use prefixes, suffixes, and inflections