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.
Rasch Analysis Summary Fit Statisticsa
Criteria for data fit to Rasch model: PSI (person separation index) >0.85, χ2 P value >.05 (Bonferroni adjusted), item- and person-fit residual X̅∼ 0 and SD∼1.
b Not significant after Bonferroni correction
