Table 1.

Summary of Rasch analyses for the PCCS and CSCS with DIF according to Gender (Gen), Age, Experience (Exp), Entry qualification (Ent) and Occasion of Administration (Occ)

Scale	Disorder-ed items	Significant residual correlations (>0.3)	Misfitting items	DIF					PSI*
				Gen	Age	Exp	Ent	Occ
PCCS	none	18 pairs	20, 16	none	none	none	none	none	0.962
CSCS	12, 27	20 pairs	1, 13	none	none	none	none	none	0.933

*Person Separation Index.