hat
Rezilta yo. Sa vle di gout nan nòt de 1976 pou 2003 te gason = 1.13 ak ti fi = nivo 0.6. Yon diferans nan 0.50 devyasyon estanda an favè ti gason nan 1976 te disparèt nèt pa ane 2002 la. Ant 1976 ak 2003 efè-gwosè gout nan pèfòmans ti gason yo te 1.04 devyasyon estanda, ak pou ti fi yo te 0.55 devyasyon estanda.
eng
Results. The mean drops in scores from 1976 to 2003 were boys = 1.13 and girls = 0.6 levels. A differential of 0.50 standard deviations in favour of boys in 1976 had completely disappeared by the year 2002. Between 1976 and 2003 the effect-size of the drop in the boys’ performance was 1.04 standard deviations, and for girls was 0.55 standard deviations.