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The Essential Guide to Expressive Communication Skills for Development

The Essential Guide to Expressive Communication Skills for Development

Every parent knows the moment: your toddler points at the refrigerator, looks you in the eye, and says “more milk.” That simple two-word phrase represents a remarkable achievement in expressive communication—the ability to send a message to another person using words, gestures, facial expressions, or other forms of expression.

Understanding how children develop these skills, recognizing when they need extra support, and knowing how to help them grow as communicators can make a significant difference in their long-term success. This guide breaks down everything you need to know about expressive communication, from early babbling to complex storytelling, and provides practical strategies you can start using today.

Key Takeaways

  1. Expressive communication is the vital ability to convey thoughts, needs, and feelings through various forms such as spoken words, gestures, writing, and technology, playing a crucial role in a child's overall development and social interaction.
  2. Strong receptive language skills support expressive communication by enabling children to understand and make sense of the language around them, forming the foundation for effective communication and learning.
  3. Early identification and consistent support through strategies embedded in daily routines, therapy, and collaboration among caregivers, educators, and clinicians significantly improve expressive language skills and long-term outcomes.

Expressive vs. Receptive Communication Overview

Expressive communication is the output side of language—how we convey thoughts, needs, and feelings to others through speech, signs, pictures, or writing. Receptive communication is the input side—how we understand language when others communicate with us. A 3-year-old saying “more milk, please” demonstrates expressive skills, while that same child understanding “bring your shoes to the door” shows receptive language skills.

Both receptive and expressive language work together as the foundation for everyday communication:

  • Essential for daily life: Children need to both understand directions and express their wants to navigate routines like mealtimes, bedtime, and getting dressed
  • Critical for school success: Following teacher instructions (receptive) and answering questions or participating in discussions (expressive) drive academic achievement
  • Foundation for relationships: Friendships depend on understanding social cues and being able to share ideas, tell stories, and express emotions
  • Supports emotional regulation: When children communicate their feelings effectively, they experience less frustration and fewer behavioral challenges

Expressive communication takes different forms beyond spoken language:

  • Verbal expression (spoken words and sentences)
  • Sign language and manual signs
  • Picture Exchange Communication System (PECS)
  • AAC apps and speech-generating devices (popular options in 2025 include Proloquo2Go, TouchChat, and LAMP Words for Life)
  • Written language and typing
  • Gestures and body language

When a child struggles with either receptive or expressive language, the effects ripple across development—difficulty following directions leads to missed learning opportunities, while limited expressive skills can trigger frustration, tantrums, and social withdrawal.

  • Early intervention matters: Research consistently shows that identification and support during the birth-to-5 period leads to significantly better long-term outcomes in communication, literacy, and social-emotional development

The Essential Guide to Expressive Communication Skills for Development

What Is Receptive Communication?

Receptive communication refers to understanding messages that come from others—whether through spoken words, gestures, signs, pictures, or written language. It’s the comprehension side of the communication equation.

Think about what receptive skills look like in action:

  • Following a two-step direction: “Get your backpack and stand by the door”
  • Understanding “why” questions in kindergarten: “Why do you think the bear was sad?”
  • Recognizing symbols on a classroom visual schedule
  • Knowing what “five more minutes” means during playtime
  • Comprehending a story read aloud and answering questions about it

Receptive language skills typically develop earlier than expressive abilities. This is why an 18-month-old might be able to point to body parts on request (“Where’s your nose?”) or follow simple commands (“Give Daddy the ball”) while only saying a handful of words themselves. Children understand far more than they can say—sometimes receptive vocabularies exceed expressive by thousands of words.

Rich language input during the early years builds strong receptive language skills:

  • Daily book reading with pointing and labeling
  • Songs with gestures and repetitive phrases
  • Back-and-forth conversations during daily routines
  • Narrating activities: “Now we’re putting on your socks. These are your blue socks!”

Speech language pathologists assess receptive skills using a combination of standardized tests and play-based observation. This helps them understand what a child comprehends and guides intervention planning when support is needed.

What Is Expressive Communication?

Expressive language refers to how we send messages to others—sharing our thoughts, needs, questions, and ideas. While receptive communication is about taking in information, expressive communication is about putting information out into the world.

Expressive communication includes spoken language but extends far beyond it. A child’s ability to express themselves can take many forms:

  • A 9-month-old reaching toward a toy while vocalizing “uh uh uh”
  • A 2-year-old firmly stating “No bed!” at bedtime
  • A 4-year-old asking “Why is the sky blue?”
  • A 7-year-old writing a short paragraph about a 2024 school field trip to the science museum
  • A nonverbal child selecting pictures on a communication board to request “go outside”

The key components that make up expressive language include:

  • Vocabulary: The words a child knows and can use
  • Grammar and morphology: Using plurals, verb tenses, pronouns correctly
  • Syntax: Arranging words in the right order to form sentences
  • Narrative skills: Telling stories with a beginning, middle, and end
  • Pragmatics: The social rules of communication—turn-taking, staying on topic, adjusting language for different listeners

It’s important to understand that expressive and receptive abilities rarely match perfectly. A child might understand complex sentences but speak in short phrases. This gap is especially common in bilingual homes, where children may understand language in both languages but express themselves more fluently in one.

Expressive communication is not limited to spoken words. Children who use sign language, communication books, eye-gaze devices, or tablet-based AAC systems are all engaging in expressive communication—they’re simply using different forms to convey their messages.

Key Components of Expressive Communication

Clinicians and educators break expressive language skills into specific components to better understand a child’s strengths and plan targeted support. Understanding these building blocks helps parents and teachers know what to look for and how to help.

Vocabulary (Semantics) Word knowledge across topics and contexts. A toddler might say “dog” for all animals, while a 5-year-old distinguishes between “dog,” “puppy,” “German Shepherd,” and “pet.” Vocabulary grows through exposure to new words in meaningful contexts.

Morphology and Grammar The rules for modifying words—adding -ed for past tense (“walked”), -s for plurals (“dogs”), and -ing for ongoing actions (“running”). Children develop these gradually, often making predictable errors like “I runned” before mastering “I ran.”

Syntax (Sentence Structure) How words are arranged to form grammatically correct sentences. This includes word order, using conjunctions to combine ideas, and building complex sentences with multiple clauses.

Pragmatics (Social Language) The social use of language—taking turns in conversations, staying on topic, using appropriate greetings, and adjusting how we speak based on who we’re talking to. Pragmatics also includes nonverbal communication like eye contact and facial expressions.

Age-typical examples of these components in action:

  • By about age 3: Combining 3-4 words into sentences (“Mommy go store”)
  • By around age 5: Using basic past tense and plurals (“The dogs played outside”)
  • In early elementary grades: Telling simple stories with a beginning, middle, and end
  • By second or third grade: Writing clear sentences and short paragraphs

Written expression becomes a critical expressive channel starting around first grade. A child’s ability to put thoughts on paper—from writing single sentences to composing paragraphs—directly connects to these same foundational skills.

Mastering these components supports later academic and social success: reading comprehension, written assignments, classroom discussions, and problem-solving with peers all depend on strong expressive language skills.

Expressive Communication Milestones (Birth to 8 Years)

Knowing what to expect at different ages helps parents and educators recognize when children develop typically and when they might need additional support. These milestones represent general patterns—individual children continue to develop at their own pace.

0-6 Months

  • Cooing and making vowel sounds (“ooo,” “aah”)
  • Social smiling in response to faces
  • Crying differently for different needs (hunger vs. discomfort)
  • Beginning to laugh and squeal

6-12 Months

  • Babbling with consonant-vowel combinations (“bababa,” “mamama”)
  • Using gestures like reaching, waving bye-bye, and pointing
  • First words typically emerge around 9-15 months (“mama,” “dada,” “ball”)
  • Vocalizing to get attention

12-24 Months

  • Vocabulary explosion—moving from about 50 words at 18 months toward 200+ words by age 2
  • Two-word phrases emerge around 18-24 months (“Daddy go,” “more juice,” “big truck”)
  • Beginning to ask simple questions with rising intonation (“Cookie?”)
  • Using words to express needs rather than only crying or pointing

2-3 Years

  • Short sentences of 3-4 words (“I want the ball”)
  • Asking simple questions (“Where kitty go?”)
  • Using pronouns (I, me, you), though errors are common
  • Naming familiar objects and pictures
  • Starting to tell simple stories about immediate events

3-5 Years

  • Sentences of 4-5+ words with increasing grammatical complexity
  • Telling simple stories with recognizable structure
  • Using pronouns, plurals, and basic verb tenses more consistently
  • Answering “why” and “how” questions
  • Participating in longer conversations (3+ back-and-forth exchanges)
  • By age 5: Recognizing rhymes and retelling stories from books

5-8 Years

  • Complex sentences with conjunctions (“I went to the park and then we got ice cream”)
  • Narrative writing at school—stories with characters, setting, problem, and resolution
  • Explaining how to play a game or complete a task
  • Using descriptive vocabulary to add detail
  • Adjusting language for different situations (talking to a teacher vs. a friend)

Important note for multilingual children: If a child is learning two or more languages, their total expressive vocabulary should be considered across all languages combined. A child who knows 30 words in English and 25 words in Spanish has a vocabulary of 55 words—this is not a sign of disorder, even if they seem to “know fewer words” in each language compared to monolingual peers.

When to seek guidance:

  • If by around 18 months a child has no clear words
  • If by 2 years a child is not combining two words together
  • If you notice regression—losing words or skills the child previously had
  • If by age 3-4 speech is very difficult for unfamiliar listeners to understand

Missing multiple milestones may signal the need for an evaluation. Monitor patterns over several months rather than focusing on a single late word.

The Essential Guide to Expressive Communication Skills for Development

Expressive Communication Difficulties and Disorders

Expressive language disorder is a diagnosed condition in which a child struggles to express themselves through words and sentences despite having typical hearing and cognitive abilities. But expressive language difficulties exist on a spectrum and can appear alongside other conditions including autism, ADHD, hearing loss, and developmental language disorder (DLD).

Signs that a child struggles with expressive communication:

  • Limited vocabulary compared to same-age peers
  • Using mostly short, simple sentences when peers are using longer ones
  • Frequent grammatical errors at ages 4-5 when peers are becoming more accurate
  • Difficulty retelling familiar events (like what happened at preschool on Monday)
  • Relying heavily on gestures or pointing beyond age 3 when words would be expected
  • Trouble finding the right words—lots of pausing or saying “um” or “that thing”
  • Difficulty answering open-ended questions
  • Struggling to tell stories in a logical sequence

Social and emotional impacts:

Children in early elementary grades who cannot express ideas as clearly as peers often experience:

  • Frustration that may lead to tantrums or aggression
  • Withdrawal from group activities and social interaction
  • Reluctance to participate in classroom discussions
  • Lower self-confidence in speaking situations
  • Difficulty making and keeping friends

Patterns of difficulty vary:

Some children have stronger receptive than expressive communication—they understand everything but struggle to produce language. Others have mixed receptive-expressive difficulties, requiring different support strategies. Understanding a child’s specific profile guides intervention.

Accurate diagnosis requires formal assessment by licensed speech language pathologists. This typically includes standardized testing, language sampling, and observation, often combined with hearing tests and broader developmental screening to rule out other factors.

Assessment of Expressive Communication

Assessment serves a clear purpose: to identify a child’s strengths and needs, set measurable goals, and track progress—not simply to apply a label.

Common assessment methods include:

  • Caregiver interviews: Parents and teachers provide crucial information about how a child communicates in daily activities
  • Play-based observation: Clinicians watch how a child communicates naturally during play
  • Language samples: Recording and analyzing how a child talks during play or conversation—looking at sentence length, vocabulary variety, and grammatical accuracy
  • Standardized tests: Normed assessments designed for children from roughly 2-18 years that compare a child’s abilities to age expectations

What clinicians look for:

Area

What’s Assessed

Vocabulary

Number and variety of words used

Sentence length

Average number of words per sentence (MLU)

Grammar

Correct use of tenses, plurals, pronouns

Story structure

Ability to tell a coherent narrative

Communication functions

Requesting, commenting, asking questions

Nonverbal communication

Gestures, facial expressions, AAC use

Assessments can occur in various settings—clinics, schools, or via telepractice using secure video platforms. The key is that assessment should reflect the child’s everyday communication contexts, not just performance in an unfamiliar testing room.

For multilingual children:

Accurate assessment must consider all languages a child is exposed to. Best practice involves using interpreters or bilingual clinicians when possible, and evaluating skills across languages rather than judging based on English alone.

Strategies to Support Expressive Communication at Home and School

Evidence-based strategies work best when embedded in daily routines rather than saved only for therapy sessions. The adults who interact with children every day have the most opportunities to support growth.

Practical strategies for daily activities:

  • Model slightly longer sentences: If your child says “truck,” you respond “Yes, the big red truck is going fast!”
  • Offer choices: “Do you want the red car or blue car?” gives practice with vocabulary and sentence structure
  • Expand what the child says: Child says “dog bark,” you expand to “Yes, the big dog is barking loudly at the squirrel”
  • Wait expectantly: Pause and look at your child, giving them time to formulate their message rather than jumping in
  • Comment more, question less: Instead of quizzing (“What color is that?”), narrate (“You’re building with the blue blocks!”)

Embedding language in daily routines:

  • Shared book reading: Ask open-ended questions (“What do you think will happen next?”), pause for your child to fill in familiar phrases, and talk about the pictures
  • Narrating daily activities: “First we’re putting on your shirt. Now the pants. Your socks are striped!”
  • Cooking together: Following recipes introduces new words and sequencing language (“first,” “next,” “then”)
  • Pretend play: Restaurant, space trip, supermarket—imaginative play naturally encourages children to use language in new ways
  • Daily reflections: At dinner, everyone shares one “best” and one “tricky” part of the day, encouraging feeling words and complete sentences

School-based supports:

  • Visual schedules with pictures and words
  • Sentence starters (“I think…” “First… then…”)
  • Story maps to organize narrative writing
  • Weekly show-and-tell in kindergarten and early grades
  • Small group activities that require verbal participation

Consistency across settings leads to faster progress. When the same target vocabulary or phrases are practiced at home, in preschool, and during therapy sessions within the same week, learning accelerates.

The Essential Guide to Expressive Communication Skills for Development

Expressive Communication in ABA and Other Therapies

For children who need additional support—particularly autistic children—multiple therapy approaches often work together to build expressive communication. Applied Behavior Analysis (ABA), speech therapy, and occupational therapy each contribute unique strategies.

ABA-related strategies for communication:

  • Mand training: Teaching requesting skills—a child learns to say or sign “ball” or “more bubbles” to get desired items
  • Modeling: The therapist demonstrates the target communication, and the child imitates
  • Prompting hierarchies: Starting with more support (physical guidance, full verbal model) and fading to independence
  • Reinforcement: Meaningful rewards that motivate continued communication attempts
  • Functional communication: Moving from “I want ball” to more elaborate requests like “I want the red ball, please”

Speech-language therapy focus areas:

  • Naturalistic conversation during play-based activities
  • Narrative skills—telling stories with structure
  • AAC assessment, programming, and training
  • Pragmatic skills—turn-taking, topic maintenance, reading social cues
  • Articulation to improve speech clarity

Occupational therapy contributions:

  • Fine motor skills for writing and drawing
  • Sensory regulation to support attention during communication
  • Visual-motor integration for using AAC devices effectively
  • Hand-over-hand support for signing or pointing

The power of collaboration:

The most effective intervention happens when therapists, families, and schools work closely together. A child practicing the same core communication goals across all environments—requesting “more” during ABA, at the lunch table with parents, and in the preschool classroom—builds skills faster than isolated therapy sessions alone.

Activities to Build Expressive Communication

Beyond strategies, specific activities create natural opportunities for children to practice expressive skills. The best activities are playful, engaging, and embedded in real interactions.

Interactive storytime Go beyond just reading the words. Pause and ask:

  • “What do you think will happen next?”
  • “How is the bunny feeling right now?”
  • “Tell me about your favorite character in this book we read”

Let your child “read” familiar books to you, turning pages and telling the story from the pictures.

Show and tell For preschool and early elementary grades, show and tell builds descriptive language and question-answering skills. A child might bring:

  • A souvenir from a family trip
  • A favorite stuffed animal
  • Something they made or found

Classmates practice asking questions, and the presenter practices giving clear, complete answers.

Guessing games Games that require description build vocabulary and sentence complexity:

  • Guess Who?: “Does your person have glasses? Is your person smiling?”
  • 20 Questions: Asking yes/no questions to narrow down an answer
  • Homemade picture games: One person describes a hidden picture while others guess
  • I Spy: “I spy something round and orange”

Barrier games Two players each have identical sets of objects or pictures. One player builds or arranges something and describes it step-by-step while the other follows the verbal directions without seeing. Great for practicing clear sentences and descriptive vocabulary.

Daily reflections At dinner or bedtime, encourage children to share:

  • One “best” part of the day
  • One “tricky” or hard part
  • Something that made them feel proud, silly, or frustrated

This builds feeling vocabulary, narrative skills, and the habit of verbal sharing.

Puppet shows and dramatic play Acting out stories with puppets, dolls, or stuffed animals encourages dialogue, different voices, and creative language use. Let children direct the show and narrate what’s happening.

The Role of Parents, Caregivers, and Educators

Adults who interact with children daily have the most opportunities—and the most influence—on developing strong expressive language skills. Your everyday interactions matter more than you might realize.

Caregiver strategies that make a difference:

  • Get face-to-face: Position yourself at your child’s eye level during conversations
  • Use simple but rich language: Not baby talk, but clear sentences with interesting vocabulary
  • Respond to all communication attempts: Whether words, gestures, or sounds—show that communication works
  • Reduce excessive quizzing: Instead of “What’s this? What color? How many?”, narrate and comment
  • Follow your child’s lead: Talk about what interests them in the moment
  • Create communication temptations: Put desired items in sight but out of reach, pause expectantly, give tiny portions so they need to request more

Creating language-rich classrooms:

  • Label the environment with words and pictures
  • Schedule regular small-group discussions
  • Use predictable routines that invite talking (greeting circle, transition songs)
  • Provide wait time after questions—count to 10 silently before rephrasing
  • Encourage children during group activities to share ideas with partners before whole-group

Building home-school connections:

  • Parent training workshops on communication strategies
  • Home-school communication notebooks that travel in backpacks
  • Digital messaging apps to share targets and celebrations
  • Video examples of strategies in action

Celebrating small gains:

When a child independently uses a new word after weeks of modeling, that’s worth celebrating. When they string together their first three-word phrase, make a big deal of it. Progress in expressive communication often happens gradually—noticing and acknowledging small steps keeps everyone motivated.

Expressive Communication Across the Lifespan

Expressive communication doesn’t stop developing after childhood. These skills continue to grow, change, and remain essential throughout adolescence and adulthood.

Key transitions in expressive demands:

Life Stage

Expressive Communication Demands

Early grades

Oral storytelling, answering questions, writing sentences

Middle school

Persuasive essays, classroom presentations, social negotiation

High school

Research papers, debates, college application essays

Adulthood

Job interviews, workplace emails, community participation

Adult expressive communication examples (2025):

  • Explaining symptoms to a healthcare provider during a telehealth appointment
  • Writing clear emails to supervisors and colleagues
  • Participating in community meetings and advocacy
  • Navigating conversations in job interviews
  • Maintaining friendships through text, calls, and in-person interaction

When expressive skills are affected later in life:

Acquired conditions can disrupt expressive communication:

  • Stroke: May cause aphasia, affecting word-finding and sentence formation
  • Traumatic brain injury: Can impact organization of thoughts and social communication
  • Progressive neurological diseases: Conditions like Parkinson’s or ALS may affect speech clarity and language

Adults in these situations may benefit from renewed speech therapy, AAC devices, or other supports.

The lifelong impact of strong skills:

Strong expressive language skills support:

  • Independence in navigating daily life
  • Meaningful relationships with family, friends, and partners
  • Mental health through the ability to express emotions and seek support
  • Career success through effective workplace communication
  • Self-advocacy in healthcare, education, and community settings

When and How to Seek Professional Help

If you’re concerned about a child’s expressive communication, it’s better to seek information early than to “wait and see” for many months. Early intervention consistently produces better outcomes.

Red flags by age:

  • By 9 months: No babbling with consonant sounds
  • By 12-15 months: No gestures like pointing or waving
  • By 16-18 months: No clear words or very limited vocalizations
  • By 24 months: Not combining two words together (“more milk,” “daddy go”)
  • By 3-4 years: Very unclear speech that even parents struggle to understand, or very short phrases with limited vocabulary
  • At any age: Loss of previously acquired words or skills

Where to start:

  • Talk to your pediatrician: They can screen for developmental concerns and provide referrals
  • Contact early intervention: For children under 3, local early intervention services provide free evaluations and services if eligible
  • Reach out to your school district: For children 3 and older, public schools provide evaluations and speech therapy services
  • Seek private evaluation: Speech language pathologists in private practice or clinics can provide comprehensive assessments

Practical considerations:

  • Evaluations through early intervention and schools are typically free
  • Private evaluations may be covered by health insurance—check your plan’s coverage for speech therapy
  • Waitlists exist in many areas—request an evaluation early even if you’re uncertain
  • Telepractice options have expanded significantly since 2020 and remain widely available in 2025

Preparing for an evaluation:

  • Keep notes on specific examples of concern
  • Record short videos of your child communicating (or struggling to communicate)
  • Gather input from daycare providers, teachers, or other caregivers
  • Write down questions you want answered
  • Bring any previous reports or assessments

Trust your instincts. You know your child best. If something doesn’t feel right, seeking an evaluation provides information—and early support if needed.

The Essential Guide to Expressive Communication Skills for Development

Conclusion: Building a Foundation for Lifelong Expressive Communication

Expressive communication—through speech, gestures, writing, and technology—is central to learning, relationships, and self-advocacy throughout life. From a baby’s first babble to an adult’s workplace presentation, the ability to convey thoughts and share our inner world with others shapes nearly every aspect of human experience.

Early, consistent support at home, in school, and in therapy helps children move from basic requests to complex storytelling and problem-solving. When parents model rich language during daily routines, when teachers create classrooms full of communication opportunities, and when therapists provide targeted intervention, children develop the foundation they need.

With the right strategies, collaboration between adults, and appropriate tools including AAC when needed, most children can make meaningful progress in expressing their thoughts, needs, and feelings. Progress may be gradual, but it’s real and worth pursuing.

Frequently Asked Questions (FAQ)

Q1: What is expressive communication?
Expressive communication is the ability to convey thoughts, needs, feelings, and ideas to others using spoken words, gestures, facial expressions, writing, or alternative communication methods such as sign language or AAC devices.

Q2: How is expressive communication different from receptive communication?
Expressive communication involves the output of language—how we express ourselves—while receptive communication involves the input—how we understand or comprehend language from others.

Q3: What are common signs of expressive language difficulties in children?
Signs may include limited vocabulary, using short or incomplete sentences, difficulty forming clear sentences, frequent pauses or filler words, trouble telling stories, and relying heavily on gestures instead of words.

Q4: When should I seek help if I suspect my child has expressive language challenges?
If your child is not using any clear words by 18 months, not combining two words by age 2, or has very unclear speech by age 3-4 that is hard for others to understand, it is advisable to consult a speech-language pathologist for assessment.

Q5: How can parents and caregivers support the development of expressive communication?
Engage in daily conversations, read and discuss books together, encourage storytelling and pretend play, model clear and slightly more complex sentences, and create opportunities for your child to express themselves during routines and play.

Q6: What types of therapies help improve expressive communication?
Speech therapy, Applied Behavior Analysis (ABA), occupational therapy, and use of AAC devices are common interventions that support expressive communication development, tailored to each child’s unique needs.

Q7: Can expressive communication difficulties affect social and emotional development?
Yes, children with expressive language challenges may experience frustration, social withdrawal, lower self-confidence, and difficulty forming friendships, making early support crucial.

Q8: Are expressive communication skills important beyond childhood?
Absolutely. Expressive communication continues to be essential throughout life for academic success, workplace communication, social relationships, and self-advocacy.

Q9: What role do speech-language pathologists play in supporting expressive communication?
They assess expressive language skills, diagnose disorders, develop individualized therapy plans, and provide strategies and support for children and families to improve communication abilities.

Q10: Are there resources available for parents to learn more about expressive communication?
Yes, many organizations and websites offer additional resources, guides, and support networks for parents and caregivers interested in enhancing their child’s expressive communication skills.

Original content from the Upbility writing team. Reproducing this article, in whole or in part, without credit to the publisher is prohibited.

References

  1. American Speech-Language-Hearing Association (ASHA). (n.d.). Expressive Language Disorder. Retrieved from https://www.asha.org/public/speech/disorders/Expressive-Language-Disorder/
  2. Centers for Disease Control and Prevention (CDC). (2023). Developmental Milestones. Retrieved from https://www.cdc.gov/ncbddd/actearly/milestones/index.html
  3. Mayo Clinic. (2023). Language Development in Children. Retrieved from https://www.mayoclinic.org/healthy-lifestyle/childrens-health/in-depth/language-development/art-20044987
  4. National Institute on Deafness and Other Communication Disorders (NIDCD). (2022). Speech and Language Developmental Milestones. Retrieved from https://www.nidcd.nih.gov/health/speech-and-language
  5. Paul, R., & Norbury, C. F. (2012). Language Disorders from Infancy through Adolescence: Listening, Speaking, Reading, Writing, and Communicating (4th ed.). Elsevier Health Sciences.
  6. Tomblin, J. B., & Zhang, X. (2006). The Dimensionality of Language Ability in School-Age Children. Journal of Speech, Language, and Hearing Research, 49(6), 1193-1208.

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