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１９８９～１９９５年对１３３名儿童（男５７名，女７６名）分别于婴幼儿期、学龄前期和学龄初期进行智力监测。通过二次智力测试结果分析表明：（１）儿童智力分布呈常态分布，符合智力发展的一般规律；（２）儿童的智商随年龄增长而有所提高；（３）男女智商均值差别无统计学意义，但有女性智力发展较男性早及男性变异比女生大趋势；（４）婴幼儿期发育商与学龄前期和学龄初期的智商相关系数较小，表明它们关系不密切。
From 1989 to 1995, 133 children (57 males and 76 females) were monitored for intelligence in infancy, preschool age and early school age respectively. The result of secondary intelligence test shows that: (1) the distribution of intelligence in children is normal, which accords with the general law of intellectual development; (2) the IQ of children increases with age; (3) There is no statistical difference between boys and girls But there is a big trend of female intellectual development more than that of male and male variation than girls; (4) The IQ between infants and young children is less than that of preschool children and early school age, indicating that they are not closely related.