Figure 1.
The latent classes of the 3-latent class model allocated in the 2 dimensions (general and specific knowledge) of 2-factor latent trait model (13 items).
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.