Appendix Table A3.

Infit and Outfit Errors of the Child IXT Symptom Questionnaire.

	Child IXT Symptoms
Item	Infit		Outfit
	Mean Square	Standard Z-score	Mean Square	Standard Z-score
1	0.91	−2.2	0.94	−1.1
2	0.97	−0.7	0.90	−1.7
3	1.02	0.4	1.07	1.4
4	0.98	−0.4	0.94	−1.5
5	1.15	4.2	1.14	3.6
6	1.03	0.8	1.07	1.3
7	0.89	−3.1	0.85	−3.6