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【简答题】
I am not unmindful that some of you have come here out of great trials and tribulations. Some of you have come fresh from narrow jail cells. Some of you have come from areas where your quest for freedom left you battered by the storms of persecution and staggered by the winds of police brutality. You have been the veterans of creative suffering. Continue to work with the faith that unearned suffering is redemptive.
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皮皮学刷刷变学霸
举一反三
【单选题】Before combinedthe data from independent studiesfor a Meta ysis, it should be performed
A.
subgroup ysis
B.
Heterogeneity test
C.
Rank sum test
D.
correlation test
【多选题】The description of Meta-ysis is correct
A.
Categorical variable data can choose OR, RR, RD as the combined effect
B.
Fixed effect models can eliminate the causes of heterogeneity
C.
For numerical variable data, the standardized mean difference can be used as the combined effect
D.
The random effects model can eliminate the causes of heterogeneity
【简答题】教育的生物起源论认为，教育产生于儿童对成人的无意识地模仿。（ ）
【多选题】高低压同杆架设，在低压带电线路上工作时，应（ ）。
A.
先检查与高压线的距离
B.
采取防止误碰带电高压设备的措施
C.
增设杆上监护人
D.
人体不得同时接触两根线头
【多选题】上下压同杆架设在低压带电线路上工作时,必须注意()
A.
线检查与高压线的距离
B.
采用预防误碰带电高压线的措施
C.
工作人员不得穿梭未采取绝缘措施的低压带电导线
D.
采取预防相间短路与单相接地的隔离措施
【单选题】In the Meta-ysis, the purpose of the heterogeneity test is
A.
Calculate the combined effect
B.
yze whether each independent study is heterogeneous
C.
Evaluate the stability of the combined effect volume under certain assumptions
D.
Increase the effectiveness of statistical tests
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