[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fugEKEKNExSkF-te7qlcImu-zCDsGsqtcDaKJiNzkxT0":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2023-11-28 12:12:57",109318255,[8,9,10,11],"设计组数少","设计方法简单","分析方法简单","控制了干扰因素效率高",{"courseId":13,"courseImg":14,"courseName":15},"fe9528e0d850d7421eda06ea90797d4a","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F19e2976afdc04b926a1480d185ba6dd4.jpg","2021级公管本科《卫生统计学》课程","配对设计与完全随机设计相比,主要特点为",[18,29,38,47,50,59,68,77,86,95],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],109318252,[22,23,24,25],"化学因素、物理因素、研究对象","研究者、受试者、效果","受试对象、背景因素、实验效应","处理因素、实验效应、受试对象","实验设计的三个基本要素是","v1",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":37,"source":27,"type":28},[],109318253,[33,34,35,36],"处理因素不同","安慰剂不同","样本含量不同","研究对象不同","实验组与对照组的主要区别是",{"answer":39,"createTime":5,"id":40,"options":41,"question":46,"source":27,"type":28},[],109318254,[42,43,44,45],"对照 、重复、随机化","对照 、重复、安慰剂",".重复、随机化、盲法","随机化、效应、均衡","实验设计的三个基本原则是",{"answer":48,"createTime":5,"id":6,"options":49,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":27,"type":28},[],109318256,[54,55,56,57],"配对设计","拉丁方设计","正交设计","随机区组设计","下面哪种设计是双因素设计",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":27,"type":28},[],109318258,[63,64,65,66],"实验对照","空白对照","安慰剂对照","标准对照","为研究新药治疗胃炎的疗效,在某医院选择 50例胃炎病人,随机分成实验组和对照组,实验组服用该新药,对照组服用某公认有效的"养胃冲剂".这种对照在实验设计中称为",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":27,"type":28},[],109318261,[72,73,74,75],"设对照组","随机化安排","增加实验次数","盲法","为减少测量顺序对比较新药与常规药治疗结果的影响,作统计设计时最好应采用以下哪项措施",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":27,"type":28},[],109318263,[81,82,83,84],"相等","不等","可以相等也可不等","最好不等","完全随机设计时,各组例数",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":27,"type":28},[],109318264,[90,91,92,93],"F检验","t 检验","秩和检验","Z检验","完全随机设计所得多组定量资料,如符合参数统计条件用",{"answer":96,"createTime":5,"id":97,"options":98,"question":103,"source":27,"type":28},[],109318267,[99,100,101,102],"动物","病人","社区人群","病人或健康人","临床试验的受试对象为"]