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以秦振庭等1956年发表的近三千名七岁以下,能够获得充分的营养及合理的护理的男女儿童身长体重测量结果为基础,制定了一份标准,将秦氏材料中男女儿童的身长和体重生长曲线和相应的标准差曲线修匀,画成光滑曲线,即为此样本中儿童的“理论”生长曲线。从这些光滑曲线上读出各年龄组男女儿童的身长和体重的平均值和相应的标准差,用这些数字制定一份《七岁以下儿童的身长和体重发育标准表》、又把每一个年龄组的身长或体重平均值m加两个或一个标准差s,减一个或两个标准差,就可以把每个年龄组的身长或体重的发育水平划分为6个等级。用这些数字制定了一份《七岁以下儿童的身长和体重发育水平划分表》。在评定一个儿童的身长或体重发育水平时,先按照规定的要求测量儿童的身长或体重;根据儿童的准确年龄,在表中查出该儿童的测量值在哪一个等级数字的范围之内,就可以决定该儿童的身长或体重发育水平属于那个等级。用这个标准和划分方法,评定了15个托儿所中1672名儿童的身长和体重发育水平,并在这个基础上,又对每一个托儿所中儿童的身长和体重的“集体发育水平”作了评定,评定结果与实际情况符合。
Based on the measurements of the body weight of nearly 3,000 under-seven-year-old men and women who can obtain adequate nutrition and reasonable care, Qin Zhanting et al. Published in 1956, a standard was set up to compare the length of the male and female children Body weight growth curve and the corresponding standard deviation curve smooth, painted smooth curve, that is, the sample of children’s “theoretical” growth curve. From these smooth curves read out the average values and corresponding standard deviations of the height and weight of boys and girls of all age groups, and use these figures to develop a “standard list of children’s growth and weight development under seven years of age”, and each age Group height or weight average m plus two or one standard deviation s, minus one or two standard deviations, you can age or weight of each age group level of development is divided into six levels. Using these figures, a table on the classification of the growth and weight of children under seven years of age was developed. When assessing a child’s height or weight, first measure the child’s length or weight in accordance with the prescribed requirements. According to the child’s exact age, find out in the table which child’s measure falls within that level, You can decide the child’s height or weight level of development belongs to that level. Using this standard and method of division, we assessed the growth and weight of 1672 children in 15 nurseries and, on this basis, assessed the “collective development” of the child’s length and weight in each nursery, The evaluation result is in accordance with the actual situation.