TABLE 3.

Model characteristics examining the factors affecting wall-sit performance time.

Model	Variable	p	AIC	BIC
1: Trial	Trial	< 0.001	1134.4	1145.4
2: Trial + initial pain	Trial	< 0.001	1113.6	1127.2
	Initial pain	< 0.001
3: Trial + initial motivation	Trial	< 0.001	1131.7	1145.3
	Initial motivation	0.139
4: Trial + initial pain + initial motivation	Trial	< 0.001	1111.6	1127.9
	Initial pain	< 0.001
	Initial motivation	0.256

AIC = Akaike information criteria; BIC = Bayesian information criteria.