Figure 2. Item response theory graphical analyses at the test and item level of the SenPQ.
Item information function (A), Test information function (B), and Test characteristic curve (C).
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.