IQ or intelligent quotient is supposed to testintelligence irregardless of age or environmental factors, yet numerous studies show that environmental factors can strongly influence IQ.
智商或智商是要测试情报不论年龄或环境因素，但许多研究表明，环境因素可以强烈地影响智商。
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Results: (1) Intelligencequotient (IQ) in WAIS-RC test droped before radiotherapy, the end of radiotherapy, both 3 and 6 months after radiotherapy in various degree.
结果：(1)WAIS—RC测定在放疗结束时、结束后3个月、6个月都有不同程度的智商下降。
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Methods intelligencequotient (IQ) values were measured by the combined Raven's Test and factors of social-economic-culture on children's intelligence level were analysed.