【多选题】关于 Cohen' s kappa 和Fleiss' kappa的区别:
A.
Cohen’s kappa 主要用于衡量两个评价者( raters )之间的一致性( agreement )
B.
如果评价者多于 2 人时,可以考虑使用 Fleiss' kappa
【简答题】Why do they meet in the Phi Beta Kappa Societt at Harvard?
【单选题】On the earth, we are lucky to have many resources (that are _____ , such as sun, wind, water and trees.)
【简答题】My husband and children think they are very lucky that they are living and that it’s Christmas again. They can’t see that we live on a dirty street in a dirty house among people who aren’t much good. ...
【简答题】三类钢-混凝土组合结构中的 结构在受压构件中了充分发挥其优势
【单选题】关于流式细胞仪的说法错误的是:()
A.
流式细胞仪由流动细胞室系统、激光光源系统、光电检测系统等部分组成
【判断题】Phi Kappa Tau and Kappa Epsilon are fraternities and sororities names.