Figure 1.
Boxplots representing mean accuracy on Percent Consonants Correct–Revised (PCC-R) and percent accuracy of early-, middle-, and late-developing sounds for monolingual English-speaking children.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.