Many parents of children with language disorders feel relief when their child finally starts sounding out words. Frequently, after years of struggle, effective phonics instruction begins to click. The child can decode. The words come out correctly. On the surface, this looks like reading success. For children with Developmental Language Disorder (DLD) or other language-based learning challenges, this moment can feel like the turning point.
The Decoding Illusion
This is where parents need to be cautious. Decoding is important, but it is only one part of reading. Research highlights that reading isn’t just a two-part equation; it’s a dynamic process where language skills actively bridge the gap between “seeing” a word and “knowing” its meaning (Duke & Cartwright, 2021). Phonics teaches how letters map to sounds, but the Reading Is Language (RIL) model argues that early language skills are the primary causal influence on whether those sounds ever become a story in the child’s mind (Snowling & Hulme, 2025).
Decoding tells a child how to pronounce a word. Language tells the child what the word means, how it fits into a sentence, and why it matters. A child can accurately sound out the word because and still not understand its causal function. This “hyperlexic” profile, strong decoding but weak understanding, remains a hallmark risk for children with DLD (Lam et al., 2024).
The Three Pillars of Language Support
Language supports decoding in three essential ways:
- Vocabulary: New studies show that “retrieval practice”—actively recalling words during reading is essential for children with DLD to move words from short-term decoding to long-term memory (Soto et al., 2025). Without this “lexical quality,” reading remains slow and exhausting.
- Grammar: Sentences are not just strings of words. Recent findings emphasize that “morphosyntactic” awareness (understanding word endings and sentence structure) is a critical “bridge” skill that predicts reading success better than phonics alone as children age (Green & Wolter, 2025).
- Verbal Reasoning: Readers must constantly draw inferences. Children with DLD often struggle with “between the lines” questions even if they read every word perfectly, because their brains lack the linguistic framework to connect the dots (Duke & Cartwright, 2021; Lam et al., 2024).
Why Progress Stalls
This is why some children with language disorders can read aloud accurately and still have little understanding of what they just read. Phonics gets them through the words, but language builds the meaning. When language skills are weak, comprehension collapses even when decoding looks strong. In fact, DLD is considered a significant risk factor for “reading-to-learn” plateaus in middle school (Iverson & Williams. 2025).
Research from the last few years is clearer than ever: skilled reading depends on integrating decoding with deep oral language comprehension. For children with DLD, focusing on phonics alone is not enough. If language is not addressed directly through targeted, multi-tiered support, reading progress eventually stalls (Green & Wolter, 2025).
Conclusion: Phonics teaches children how to read words. Language teaches them how to understand what those words actually say.
Parents’ Checklist: Is My Child “Word-Calling”?
If your child is a strong decoder but struggles with language comprehension, you might notice these specific red flags. Use this checklist to see if their “reading” is actually “word-calling”:
- [ ] The “Robo-Reader” Effect: They read with a consistent, monotone speed, rarely pausing for periods or changing their voice for exclamation points.
- [ ] The “Wait, What?” Test: After reading a page perfectly, they cannot summarize what happened in their own words.
- [ ] Vocabulary Gaps: They can sound out a word like “gigantic,” but if you ask them what it means, they can’t give a definition or a synonym.
- [ ] Literal Thinking: They struggle with “Why” or “How” questions, preferring “Who” or “What” questions where the answer is explicitly written on the page.
- [ ] Difficulty with Pronouns: They lose track of who “he,” “she,” or “they” refers to in a long paragraph.
- [ ] Predicting the Future: They cannot guess what might happen next in the story based on what they just read.
Is it time for a closer look?
If you checked several boxes, your child may be “word-calling” or mastering the mechanics of phonics while missing the meaning of the story. To bridge this gap, consult a Speech-Language Pathologist (SLP) specializing in language and literacy disorders. Unlike standard reading assessments, an SLP evaluation deep-dives into the linguistic foundations—like syntax, vocabulary depth, and narrative reasoning—that are essential for true comprehension. Expert Tip: For the highest level of specialized care, look for a Board Certified Specialist in Child Language (BCS-CL). These experts have advanced training in navigating the complex intersection of language and literacy.
References
- Duke, N. K., & Cartwright, K. B. (2021). The science of reading progresses: Communicating advances beyond the simple view of reading. Reading Research Quarterly, 56(S1), S25–S44.
- Green, L., & Wolter, J. (2025). Morphological awareness: Connecting language foundations and academic literacy success for students with language and literacy deficits. Language, Speech, and Hearing Services in Schools, 56(3), 506–521.
- Iverson, J. M., & Williams, D. L. (2025). Annual research review: Developmental language disorder – A hidden condition with lifelong impact. Journal of Child Psychology and Psychiatry. Advance online publication.
- Lam, J. H. Y., Leachman, M. A., & Pratt, A. S. (2024). A systematic review of factors that impact reading comprehension in children with developmental language disorders. Research in Developmental Disabilities, 149, 104731
- Snowling, M. J., & Hulme, C. (2025). The reading is language model: A theoretical framework for language and reading development and intervention. Annual Review of Developmental Psychology, 7, 195–218.
- Souto, S., Leonard, L. B., Deevy, P., Christ, S. L., Karpicke, J. D., & Schroeder, M. L. (2025). Word learning in children with developmental language disorder: The use of retrieval practice during shared book reading. Journal of Speech, Language, and Hearing Research, 68(7), 3305–3321