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Period: to
Birth to 3 months
Vocalization is limited tocoos and cries -
Period: to
3 to 6 months
baby will try to respond to you by cooing and babbling, cries become more distinct in terms of differentiating between a hungry cry and 'I want to be held" cry, just to name a few. -
Period: to
Around 6 months to 1 year
Incorporates at least one or two words, in most cases uses gestures to convey words like "up" or "bye-bye". Starts to -
Period: to
Around 12 months
Starts to babble more, words are easy to detect like 'ma-ma', 'da-da' or 'ba-ba' -
Period: to
By 18 months
incorporates two-word sentences like "more milk" or "all gone"; Has a vocabulary of between 5-20 words. -
Period: to
Between 2-3 years old
Rapid increase in vocabulary (150-300 words). Words become more clearer.Can use up to 2-3 word sentences. Can understand questions posed to them by a caregiver, ie:
where's your hand/feet?, can you give me kisses? -
Period: to
Preschool age of 3 to 4
Can use 3-4 word sentences. Vocabulary consists of about 900 to 1500 words. Begins to tell stories to describe things they've seen or done. -
Period: to
School age kids (5-year-old).
Vocabulary increase. Children begin to learn how to read and write. Conversations develop that incompasses more than just within a family environment. -
Period: to
Early school age(6) to Adolescents(18)
Language development is slowed and stabilizes. Vocabulary expands from about 2,600 to 60,000 words. -
Period: to
Adulthood(18+ years in age)
New words are added, perfect grammactical forms, specialized vocabulary develop (work environment, religion, hobbies, education)