Percent Increase and Decrease Quiz
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Speech Sounds and Intelligibility Development
Stay up to date! This one pager contains the most recent speech sounds and intelligibility development norms ('20 & '21). The speech sounds are broken down into two groups: age and developmental stage. Intelligibility is presented by percent intelligibility and age. Key findings from the article "Speech development between 30 and 119 months in typical children 1: Intelligibility growth curves for single-word and multiword productions" (2021) are listed on the second page. Great for student
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