Table 2.

Reliability and concurrent validity of Sizing Them Up (Taiwan version).

Domain	alpha/omega	Test-Retesta	Floor	Ceiling	Concurrent Validity
(N° of items)	(N = 236)	(N = 82)	(%)	(%)	Sizing Me Upb	KINDLc	PedsQLc
					(N = 231)	(N = 233)	(N = 213)
Emotion (7)	.66/.81	.74	0.0	36.4	.40**	.27**	.32**
Physical (5)	.61/.71	.63	0.0	68.2	.38**	.33**	.28**
Teasing/Marginalization (3)	.72/.84	.71	0.0	78.0	.40**	.34**	.30**
Positive Attributes (4)	.60/.79	.65	0.4	3.4	.24**	.49**	.32**
Mealtime (2)	.56/--d	.67	0.0	38.6	.20*	.28**	.31**
School (1)	--/--d	− .01	0.0	97.9	.28**	.23*	.20*
Total Score (22)	.77/.89	.75	0.0	0.4	.47**	.53**	.46**

^*p < .05

^**p < .001. Alpha = Cronbach's alpha; Omega = McDonald's omega.

^aPearson correlation was used for test-retest reliability.

^breported by children.

^creported by parents.

^dInsufficient item number to calculate alpha or omega.