题目内容
研究对象未按计划被随访很可能造成的偏 倚是
2022-01-04
A.无应答偏倚
B.混杂偏倚
C.报告偏倚
D.回忆偏倚
E.易感性偏倚
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='30565' and id < 2466581 and id<>'2466581' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30565' and id > 2466581 and id<>'2466581' order by id asc limit 5