方法编制儿童心理行为状况父母问卷调查卷，通过随机抽样对463名男童和43 2名女童进行调查。
Methods Parents of 463 male children and 432 female children by random sample were asked to fill in the children psychological and behavioral questionnaire.
方法编制儿童心理行为状况父母问卷调查卷，通过随机抽样对463名男童和43 2名女童进行调查。
Methods Parents of 463 male children and 432 female children by random sample were asked to fill in the children psychological and behavioral questionnaire.
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