题目内容
在选择对象时方法不当主要的偏倚是
2022-01-04
A.选择偏倚
B.回忆偏倚
C.测量偏倚
D.失访偏倚
E.随机误差
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='30566' and id < 2466936 and id<>'2466936' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30566' and id > 2466936 and id<>'2466936' order by id asc limit 5