Early predictors of pragmatic language competence: A longitudinal study.
M-CHAT joint-attention scores at toddler checks forecast real-life language use at age eight across diagnoses.
01Research in Context
What this study did
The team followed a large community group of toddlers. They scored joint-attention and social-response items from the M-CHAT at 18 and 36 months. When the kids turned 8.5 years, they tested real-life language use—things like taking turns and staying on topic.
What they found
Kids who showed strong early joint attention and social response became the best pragmatic language users later. The link held across all diagnoses, not just autism. Early social markers beat later ones at flagging long-term risk.
How this fits with other research
Iao et al. (2024) saw the same pattern in 74 Taiwanese toddlers with ASD. Their data echo this study and add confidence that joint attention drives later language.
Vuksanovic et al. (2013) looked only at late talkers and found no link between joint attention and language. The clash clears up when you see they studied a narrow delay group, while this paper used a broad mix.
Myers et al. (2018) stretched the idea further. They showed joint attention predicts language in Down syndrome, proving the marker works outside autism.
Why it matters
You can add the six M-CHAT joint-attention and social-response items to your 18- and 36-month screens. One quick score tells you which children—ASD, Down syndrome, or late talker—need extra pragmatic work for the next six years.
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02At a glance
03Original abstract
Pragmatic language competence-the ability to use language effectively in social contexts-is foundational for communication, learning, and social integration. Difficulties in pragmatics are not only a hallmark of autism spectrum disorder (ASD) but are also prevalent across developmental disabilities, including ADHD, developmental language disorder, and intellectual disability. Such deficits predict long-term challenges in adaptive functioning, peer relationships, and educational attainment. This longitudinal study investigates early predictors of pragmatic language competence in middle childhood (age 8.5), using developmental data from the Norwegian Mother, Father, and Child Cohort Study (MoBa) and the Language-8 study. We examined social-communicative behaviors at 18 and 36 months-specifically joint attention, declarative pointing, and imitation-using items from the Modified Checklist for Autism in Toddlers (M-CHAT) and Ages and Stages Questionnaire (ASQ). Results indicate that early joint attention and social responsiveness significantly predict later pragmatic competence, even in a community sample without clinical diagnoses. These findings highlight pragmatic language difficulties as a transdiagnostic marker of developmental vulnerability and underscore the importance of early identification and intervention. By clarifying early predictors, this research informs both developmental science and special education practice, strengthening pathways for early support to children at risk of communication and social challenges.
Research in developmental disabilities, 2025 · doi:10.1016/j.ridd.2025.105157