Speechnorms

Key
The shaded bar for each sound represents two things:

Emerging Sound
(left sound of bar):

Children at this age make the sound correctly 50% of the time in at least one part of the word.

Mastered Sound
(right side of bar)

Children at this age make the sound correctly an average of 90% of the time across all parts of the word. Learning a sound can take a long time.