. 2021 Jul 26;21:1454. doi: 10.1186/s12889-021-11474-5

Table 3.

Rasch analysis summary statistics

Domain/model	Item-trait interaction χ²	Person location mean (SD)	Person residual mean (SD)	PSI	Item difficulty range
Non-toxic	52.54, df = 56, p = 0.26	1.18 (1.62)	−0.55 (1.28)	.78	−0.43 to 0.90
Prosocial, PF & Limit Problems	139.91, df = 128, p = 0.22	0.82 (1.26)	−0.43 (1.50)	.87	−1.66 to 1.33

Domain/model

Item-trait interaction χ²

Person location mean (SD)

Person residual mean (SD)

PSI

Item difficulty range

Non-toxic

52.54, df = 56,

p = 0.26

1.18 (1.62)

−0.55 (1.28)

.78

−0.43 to 0.90

Prosocial, PF & Limit Problems

139.91, df = 128,

p = 0.22

0.82 (1.26)

−0.43 (1.50)

.87

−1.66 to 1.33

PSI person separation index, SD Standard Deviation