ArticleJournal of speech, language, and hearing research : JSLHR2021
Speech Development Between 30 and 119 Months in Typical Children II: Articulation Rate Growth Curves.
Article in Journal of speech, language, and hearing research : JSLHR, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- A Tunable Forced Alignment System Based on Deep Learning: Applications to Child Speech.Journal of speech, language, and hearing research : JSLHR · 2025Article
- A Pilot Study of Listening Fatigue: Impacts of Pediatric Dysarthria on Adult Listeners.American journal of speech-language pathology · 2025Article
- How Well Do Communication Profiles at 2 Years of Age Predict Outcomes at 9-10 Years of Age in Children With Cerebral Palsy?Language, speech, and hearing services in schools · 2025Article
- Speech Development Between 30 and 119 Months in Typical Children III: Interaction Between Speaking Rate and Intelligibility.Journal of speech, language, and hearing research : JSLHR · 2025Article
- Vocal Characteristics of Children With Cerebral Palsy and Anarthria.Journal of speech, language, and hearing research : JSLHR · 2024Article
- Intelligibility in Context Scale: Growth Curves for Typically Developing English-Speaking Children Between Ages 2;6 and 9;11.American journal of speech-language pathology · 2023Article
- Developmental Cut-Points for Atypical Speech Intelligibility in Children With Cerebral Palsy.Journal of speech, language, and hearing research : JSLHR · 2023Article
- Differential Impacts of Sentence Length on Speech Rate in Two Groups of Children With Neurodevelopmental Disorders.American journal of speech-language pathology · 2023Article
- A Descriptive Study of Speech Breathing in Children With Cerebral Palsy During Two Types of Connected Speech Tasks.Journal of speech, language, and hearing research : JSLHR · 2022Article
- Prosodic Development During the Early School-Age Years.Journal of speech, language, and hearing research : JSLHR · 2022Article
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Authors and funding
4 authors.
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Abstract
Purpose We aimed to develop normative growth curves for articulation rate during sentence repetition for typically developing children. Our primary goal was the development of quantile/percentile growth curves so that typical variation in articulation rate with age could be estimated. We also estimated when children became adultlike in their articulation rate, and we examined the contributions of age and utterance length to articulation rate. Method This cross-sectional study involved collection of in-person speech samples from 570 typically developing children (297 girls; 273 boys) who passed speech, language, and hearing screening measures. Pauses greater than 150 ms in duration were removed from the samples, and articulation rate was measured in syllables per second (sps). Results Articulation rate reliably increased with age and utterance length. Rate in all key percentiles increased with age. The median rate (50th percentile) increased from 2.7 sps at 36 months to 3.3 sps at 96 months. The 5th percentile increased from 2.3 to 3.1 sps over the same age range. Using 3.2 sps as a benchmark for adultlike speech, we found the 25th, 50th, and 75th percentiles reached adultlike rates at 99, 75, and 53 months, respectively. Conclusions Articulation rate increases from early childhood into middle childhood, and it is generally adultlike by 10 years of age. Variability in articulation rate among typical children was substantial. Implications for prior research and for clinical usage are discussed.
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