Fig. 3.
Scree plot of eigenvalues derived from exploratory factor analysis of the correlation matrix for 25 items of the 18-month Q-CHAT
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.