Speech Sound Disorders
Articulation Disorders
Difficulty with the pronunciation of various speech sounds. Children may produce substitutions or distortions of certain speech sounds.
Phonological Disorders
Use of phonological processes or patterns of errors to simplify the production of words.
Motor Speech Disorders
Difficulty sequencing and coordinating the sounds in speech. Please click here for more information on Childhood Apraxia of Speech: https://www.apraxia-kids.org/
Speech Sound Development
2-3 YEARS
p, b, m, d, n, h, t, k, g, w, ng, f, y
5 YEARS
r, zh,
th (voiced)
4 YEARS
l, j, ch, s, v, sh, z
6 YEARS
th (voiceless)
Speech sounds have different ages of acquisition.
If the child continues to make mistakes past the age range of acquisition, it could indicate a speech sound disorder.
**Development information based on Crowe and Mcleod’s Children’s English Consonant Acquisition in the US: A Review as found in the American Journal of Speech-Language Pathology.
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