A: Treatment
B: Effect
C: Sampling error
D: Observation time
E: Location
举一反三
- The biggest difference between Observational studies and Experimental<br/>research is( ) A: Intervention or treatment B: Prospective C: Random allocation D: Paralleled control group E: Blinding
- The difference between the control group and the experimental group was （） A: the training that parents received B: the age of the children C: the books that were read D: the number of the children
- The treatment group A: is group of individules who are not subject to the intervention being studied B: is group of individules who are subject to the intervention being studied C: has no difference with control group D: generally has higher income than the control group
- The difference in epidemiological experimental studies compared with prospective cohort studies is A: Research direction from outcome to causes B: Established a control group C: Interventions were implemented for the experimental group D: Can be used for cause inference E: Can be used to verify the cause of the hypothesis
- The control group A: generally has higher income than the control group B: has no difference with control group C: is group of individules who are not subject to the intervention being studied D: is group of individules who are subject to the intervention being studied
内容
- 0
One group of female rats of 180-200g weight was _____ to the<br/>experimental group, another group of females to the control group. A: accumulated B: allocated C: addicted D: attached
- 1
One group of female rats of 180-200g weight was _____ to the<br/>experimental group, another group of females to the control<br/>group.() A: accumulated B: allocated C: addicted D: attached
- 2
The clinical efficacy of the treatment group was significantly better than that ofthe control group(对照组） (P＜0.05).
- 3
The baseline urinary function in the experimental group was the same as that in the control group. A: 正确 B: 错误
- 4
为进一步探寻引起学习效率下降的原因,我们对实验组和参照组进行了对比研究。 A: In order to investigate the reason for the decrease of learning efficiency, a comparative study was conducted between the experimental group and the control group. B: In order to look into the reason for the decrease of learning efficiency, we conducted a comparative study between the experimental group and the control group. C: 无 D: 无