Table 3.

Internal consistency reliability and test–retest reliability (Spearman correlation) of the ILCTI Scales for different numbers of items

	Mc Donald’s ωa		Test-Retestb
ILCTI Scales	30 items	24 items	30 items	24 items
Frustration	.88	.89	.83*	.81*
Behavioral Inhibition	.88	.86	.77*	.75*
Attention/Persistence	.84	.77	.82*	.80*
Sensory Sensitivity	.84	.82	.79*	.78*
Activity Level	.75	.72	.78*	.72*
Affiliation	.87	.84	.80*	.75*

Note ILCTI integrative late child temperament inventory, ^aN = 525; ^bN = 83

^*p < .001