Table 4. Results of the power models and model comparisons.

					Model comparison
Model	mle	LL	d.f.	AIC	Null	T	S
Null	-	−168.54	0	337.08	-	-	-
T		−167.434	1	336.87	NS	-	NS
S		−160.796	1	323.59	***	†††	-
T×S		−158.643	2	321.286	***	***	*

NS, non-significant;

⁺, p<0.10;

^*,p<0.05;

^***,p<0.001;

^†††, ΔAIC>10.