The "Timing of Puberty" Effect

The "timing of puberty" effect

A) accounts for gender differences in activity levels and aggression
B) refers to the fact that females reach puberty sooner than males do
C) refers to the tendency of those who reach puberty early to perform better on visual/spatial tasks than those who mature late
D) refers to the tendency of those who reach puberty relatively late to perform better on visual/spatial tasks than those who mature early