Using the Rasch measurement theory to assess the psychometric properties of the Hopkins Symptom Checklist-10 in adolescents

Table 4 Resolving gender differential item functioning for selected items of Hopkins Symptoms Checklist-10

n = 900^#	Original 10 items	Resolving item 6	Resolving items 2 and 6
Males	− 2.029	− 2.031	− 2.108
Females	− 0.937	− 0.863	− 0.963
Difference between males and females	1.092	1.168	1.145
Total χ² (df), p	114 (40), p < 0.001	104 (44), p < 0.001	104 (48), p < 0.001
PSI	0.823	0.826	0.824

^#Results based on a reduced sample applying the amend sample size function in RUMM2030Plus

ISSN: 1477-7525