Figure 1.
The MIMIC model for DIF detection.
Note. I2, I3, and I4 constitute the “anchor”; when I1 is tested for DIF, I2 to I4 are assumed DIF free.
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.