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本文提出一组10个环境因素的变量(即危险变量),均与社会经济情况相关。测定215名4岁儿童,考察他们中的低智商是由于单一的,还是综合的环境危险因素(易发现于低社会经济状况组之中)所致。这些变量包括母亲的、家庭的、种族的以及通常与贫困相联系的职业技能和教育程度。为了在较广阔的范围内评价儿童心理状态,还增加了对家庭精神健康的测定。对象215例4岁儿童来自社会不同阶层的家庭,
This article proposes a set of 10 variables of environmental factors (ie, risk variables), all related to socio-economic conditions. A total of 215 4-year-old children were examined to see if their low IQ was due to a single, or a combination of, environmental risk factors found in the low socioeconomic group. These variables include maternal, family, ethnic and vocational skills and education that are often associated with poverty. In order to evaluate the psychology of children in a broader context, measures of mental health in the family have also been added. 215 cases of 4-year-old children from different social classes of families,