SLPs are often asked questions regarding typical age of sound acquisition and development of language. This information will help to answer those questions and provides resources to share with parents and colleagues.

This speech intelligibility norms chart is a great download to quickly reference the sentence-level intelligibility of English-speaking children. All norms are reference-based and updated with the most recent information available.

2022年6月20日 · Speech Intelligibility Norms. This graphic is updated with the newest research for Hustad, et al. These numbers are based on unfamiliar listeners in an unknown context. You will notice the dark blue is the milestone (when 95% of children at this intelligible) and the light blue is the average (when 50% of children are this intelligible.)

2011年11月9日 · The term intelligibility refers to 'speech clarity' or the proportion of a speaker's output that a listener can readily understand. In typical development, as children learn to talk, their comprehensibility to those around them steadily increases.

2021年10月4日 · We examined speech intelligibility development based on directly measured objective speech data from 538 typically developing children using a cross-sectional research design.

Speech development between 30 and 119 months in typical children l: Intelligibility growth curves for single-word and multiword productions. Journal of Speech, Language, and Hearing Research.

By 18 months, a child's speech should be at least 25% intelligible to parents in connected speech. By 24 months, a child's speech should be 50-75% intelligible to parents in connected speech. By 36 months, a child's speech should be 75-100% intelligible to parents in connected speech.

Compiles norms from several different sources. Chart with ages 90% of children can produce sounds correctly, and references. Parent-friendly. Ages common phonological processes disappear, ages 3.0-5.0. From Caroline Bowen, updated 2021. Milestones and red flags for learning two languages simultaneously. From bilingualkidspot.com.

2022年6月20日 · Speech intelligibility is an important developmental measurement used by speech therapists working with toddlers. See the intelligibility norms for toddlers and how they changes over time.

2023年8月9日 · We have 3 different studies here with 3 different methods of data collection and contexts for reporting on speech intelligibility in toddlers. All of these studies have a place and offer data on what’s expected by age in different environments.