highly significantP < 0.05
The GES boys showed highly significant greater improvements than MES boys in both spatial and verbal memory scores ( P < 0.05, Mann-Whitney U test) as can be seen in Table 4 .
The GES boys showed highly significant greater improvements than MES boys in both spatial and verbal memory scores ( P < 0.05, Mann-Whitney U test) as can be seen in Table 4 .