num.罗马数字 800
Methods: With DCCC, 979 pupils from grade 3 - 5 were investigated and 896 questionnaires were valid.
方法应用《儿童汉语阅读障碍量表》(DCCC),在武汉市随机抽取979名小学三~五年级学生及其家长进行问卷调查,回收有效调查问卷896份,进行统计检验.
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