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生长发育评价的目的是研究某一儿童的生长发育规律和各种因素对生长发育的影响,从各种影响生长发育的因素中找出当前的主要矛盾。研究其作用机理,为儿童的身体发育和智力发育提供科学根据,从而指导家长合理地调节家庭生活,以保障子女的健康成长。笔者调查了2～12岁健康儿童1470名。使用IBM-PC电子计算机对资料进行处理。2-6岁儿童以0.25岁为一个组段,6.5-12岁儿童以0.5岁为一个组段,按性别年龄分组。用多项式的最佳平方逼近方法,以年龄为自变量,分别以身高体重的均值和标准差
The purpose of the evaluation of growth and development is to study the growth and development of a child and the impact of various factors on growth and development, and to find out the main contradictions from various factors that affect growth and development. Study its mechanism of action, provide scientific basis for children’s physical development and intellectual development, so as to guide parents to adjust family life reasonably and ensure their children’s healthy growth. I investigated 2 to 12-year-old healthy children 1470. Use IBM-PC computers to process the data. Children aged 2-6 years in a group of 0.25 years old, 6.5-12-year-old children to a group of 0.5 years, by sex age grouping. Using the best square approximation method of polynomial and age as independent variable, respectively, with the mean body weight and standard deviation