Articulation Developmental Norms - Child Development …

1 Articulation Developmental Norms Child 'S SOUNDS THAT PROCESSES/PATTERNS AGE WHEN. CURRENT SHOULD BE THAT SHOULD NO TREATMENT IS. AGE DEVELOPED LONGER BE USED INDICATED. Up to 3 p, b, m, t, d, n, h, Final consonant deletion 3 years years w, vowels Initial consonant deletion Medial consonant deletion Assimilation (gog/dog). 3-3 k, g, ing, f, s, z, y, Voicing (p,k,t) 3 1/2 years years s-blends Fronting (k/g/ing). Stopping (f,s,z). Cluster Reduction (s-blends). 3 -4 sh*, l *Stridency deletion (t/sh) 4 years years Gliding (w/l or y/l). 4 - 5 years l-blends, ch, j Cluster reduction (l-blends) 5 years Deaffrication (t/ch, d/j). Your Child has Over 5 r, r-blends, th, v, Frontal lisp (th/s, th/z) time to master years sh* Lateral lisp (slushy/noise s,z) these sounds */s/ for /sh/ beyond their preschool years. v Sounds are not worked on in our program before the age when treatment is indicated . column. v If your Child has only one sound in error, a home program may be provided and your Child may be discharged from our program.

2 * Please note that different error patterns may be present on /sh/ during the preschool years and that t/sh should be resolved by approximately 4 years of age, while s/sh or th/sh is considered developmentally appropriate for this age group. F:/YRPSLP/Parent Handouts/ Articulation /Educational Handouts/ Articulation Developmental Norms /revised July 2011.