Methods: a 3 year prospective study involving methacholine challenge tests and serially administered questionnaires was undertaken in 769 apprentices exposed to high molecular weight allergens.
方法：在为期3年的前瞻性研究中，对769名暴露于高分子量变应原的学徒工进行乙酰甲胆碱激发试验和系列的问卷调查。
In survey method research, participants answer questions administered through interviews or questionnaires.
在此类方法中，被试通过回答提问人员或问卷上的问题参与调查。
Simard administered yearly questionnaires to 987 parents, whose children were 5 months old at the start of the study.
Simard每年都向987对父母发放调查问卷，这些父母的孩子在研究开始时都在5个月大小。
The AHEI score was computed from dietary information collected from five repeated food frequency questionnaires administered between 1984 and 1998.
1998年五次重复填写了食物频率调查表，并用计算机对所搜集的信息进行了整理得出AHEI得分。
Methods: Questionnaires of Aggression, Parenting Scale, Self-Esteem Scale were administered to 481 college students.
方法：采用攻击行为问卷、父母教养方式量表和自尊量表对481名大学生施测。
Methods Family care index questionnaires were administered to 89 juvenile net addicts and the results were compared with those from normal students.
目的探讨网络成瘾少年家庭关怀度并有针对性提出干预措施。
Methods Family care index questionnaires were administered to 89 juvenile net addicts and the results were compared with those from normal students.
目的探讨网络成瘾少年家庭关怀度并有针对性提出干预措施。
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