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36-48 Months

By the age of three years children should produce a wide range of phonemes in the initial, medial, and final positions of words. The accuracy of children's speech should make their speech intelligible even to unfamiliar listeners. Most three-year-old children still reduce consonant clusters and delete some final consonants. The may make substitution errors on /r, l, the, thin, shop/ sounds.

Clip 1. The child produces a wide range of sounds. He also produces phonological processes such as final consonant deletion ("police" "poli") and stopping ("that" "dat").

Clip 2. The child produces a wide range of sounds. He also produces phonological processes such as stopping ("feathers" "feders") and final consonant deletion ("lines" "line").