Table 3.

Summary of Hierarchical Regression Analyses for Flanker Reaction Time and Accuracy.

	Congruent		Incongruent		Interference score
Model and variable	ΔR2	β	ΔR2	β	ΔR2	β
REACTION TIME
Step 1	0.053**		0.047**		0.008
Age		−0.182**		−0.178**		−0.088*
Sex		−0.016		0.008		0.035
Pubertal timing		−0.071		−0.063
Step 2	0.008*		0.014**		0.009*
Aerobic Fitness		−0.103*		−0.135**		−0.105*
ACCURACY
Step 1	0.037**		0.050**		0.030**
Age		0.194**		0.217**		−0.156**
Sex		−0.019		−0.084*		−0.096
Step 2	0.009*		0.010*		0.005
Aerobic fitness		0.106*		0.115*		−0.082

Only significant predictors.

^*p < 0.05.

^**p < 0.01.