目的：建立一套非文字智力测验的汉族正常儿童年龄常模，用以比较特殊群体的智力。
Objective: A set of age norms of the Nonverbal Intelligence Test (NIT) on Chinese children of Han nationality were USED to compare the intelligence of normal children with it of special populations.
结论：1、确定ZM2.1诊断系统各功能亚项常模时需考虑年龄、文化程度的影响。
Conclusions: 1. The norm of the ZM2.1 diagnosis system should consider the age and education level.
方法：以年龄10～15岁少年为对象，参考第五次人口抽样调查资料，按分层随机原则取样，根据测验结果和标准化程序建立常模。
Methods: According to the fifth national demographic investigations, the norm samples aged 10 to 15 years were collected in a stratified and random way.
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