Figure 1.
Item characteristic curves of the least invariant item 17 ‘Thoughts almost audible’ in the ethnic group MI comparison. (A) Minority (B) Majority.
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.