1) Determine the child’s level of vocal development using information from the “Development” section of this website.

a) If few simple canonical syllables are observed the child is at the precanonical level

b) If simple canonical syllables are fairly common (>20%), the child is at the simple canonical syllable level.

c) If the child produces phonetically complex vocalizations more than 20% of the time, the child is at the advanced forms level

2) Select developmentally appropriate vocalizations for modeling

Initial targets are selected according to the child’s observed level of vocal development (precanonical, simple canonical syllables, or advanced forms).In this way, a variety of vocalizations within the child’s developmental level are reinforced and expanded before more advanced forms are introduced. See the Development section of this website for examples of the kinds of vocalizations at each level.

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