Communication Skills – Developmental Milestones ages 0 – 5
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Long before children can say words or join them into sentences, they are active language learners. Within a few short years, young children go from newborns without language to excellent communicators and lively inventers and tellers of stories.
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From birth to 3 months, infants pay close attention to language. In the first year, they can distinguish all of the speech sounds that occur in natural language; then they begin to specialize in the sounds of their home language. Most infants will:
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• Respond to speech by looking at the speaker
• Respond differently to the voice of a parent than to other voices
• React to changes in a speaker’s tone, pitch, volume, and intonation
• Respond differently to their home language and another language
• Communicate with bodily movements, by crying, babbling, and laughing
• Attempt to imitate sounds
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At 3 to 6 months, even small babies love to have “conversations.” Most children of this age:
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• Exchange sounds, facial expressions, or gestures with a parent or caregiver
• Listen to conversations
• Repeat some vowel and consonant sounds
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From 6 to 9 months, children’s vocalizations increase. Most babies of this age:
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• Begin repetitive babbling (deaf children also start to babble with their hands)
• Associate gestures with simple words and two-word phrases, like “hi” and “bye-bye”
• Use vocal and non-vocal communication to express interest and influence others
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Between 9 and 12 months, children are getting ready to talk. Around the first birthday, language production doubles. Many babies of this age:
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• Understand the names of familiar people and objects
• Show their understanding with responsive body language and facial expressions
• Say a few words
• Respond to a firm “no” by stopping what they are doing
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From 1 to 2 years, children begin to learn many new words and begin to use simple phrases. Many children can:
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• Understand many words, as well as simple phrases and directions (“Drink your juice”)
• Follow a series of two simple but related directions
• Respond correctly when asked “where?”
• Say a few words clearly, and a few dozen additional words so that family members can understand. The words denote important people and common objects, and a few prepositions such as “on,” “in,” or “under.” Many can say “more” and “all gone.”
• Say successive single words to describe an event
• From about 18 months, begin learning about 9 new words a day
• Use “my” or “mine” to indicate possession; begin to use “me,” “I,” and “you”
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At 2 to 3 years, both understanding of language and speaking develop more rapidly at this stage. Most 2-year-olds can:
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• Join familiar words into phrases
• Begin to use modifiers (adverbs and adjectives)
• Point to common objects when they are named
• Name objects based on their description
• Respond to “what?” and “where?” questions
• Enjoy listening to stories and asking for favorite stories
• Recount events that happened that day
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At 3 to 4 years, language usage becomes more complex. Most 3-year-olds can:
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• Make themselves understood to strangers, despite some sound errors
• Use and understand sentences
• Use more complex grammar, such as plurals and past tense
• Understand sentences involving time concepts (for example, “Grandma is coming tomorrow”) and narrate past experiences
• Understand size comparisons such as big and bigger
• Understand relationships expressed by “if… then” or “because” sentences
• Follow a series of two to four related directions
• Sing a song and repeat at least one nursery rhyme
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4 to 5-year-olds use language not only to converse, but also to exchange information. Most can:
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• Retell a story (but may confuse facts)
• Combine thoughts into one sentence
• Ask “when?” “how?” and “why?” questions
• Use words like “can,” “will,” “shall,” “should,” and “might”
• Combine thoughts into one sentence
• Refer to causality by using “because” and “so”
• Follow three unrelated commands appropriately
• Understand comparatives like loud, louder, loudest
• Listen to long stories (but may misinterpret the facts)
• Understand sequencing of events when clearly explained (for example, “First we plug the drain, then we run the water, and finally we take a bath”)