Question

please solve the mcqs Questions: 1. Which of the followings is true about the cross-sectional study？ A. A variety of risk factors can be measured in an investigation
B. The cause of the disease can be determined
C. The sample size is relatively small in the sampling survey
D. There is less bias in the investigation

2.Which is the characteristic of the sampling survey isn’t included?
A. The design and implementation are more complex.
B. The progress of the investigation is fast and the workload is relatively small.
C. Not suitable for diseases with a low prevalence rate.
D. Small sample size

3. Which is the way to early detection and treatment of patient? A. Census
B. Sampling survey
C. Ecological study

D. Longitudinal research

4.Which of the following options doesn’t belong to the commonly used random sampling method?
A. Systematic sampling
B. multi-stage sampling
C. Cluster sampling
D. typical sampling ​

Answer 1

1. please solve the mcqs Questions: 1. Which of the followings is true about the cross-sectional study？ A. A variety of risk factors can be measured in an investigation
2. B. The cause of the disease can be determined
3. C. The sample size is relatively small in the sampling survey
4. D. There is less bias in the investigation
6. 2.Which is the characteristic of the sampling survey isn’t included?
7. A. The design and implementation are more complex.
8. B. The progress of the investigation is fast and the workload is relatively small.
9. C. Not suitable for diseases with a low prevalence rate.
10. D. Small sample size
12. 3. Which is the way to early detection and treatment of patient? A. Census
13. B. Sampling survey
14. C. Ecological study
16. D. Longitudinal research
18. 4.Which of the following options doesn’t belong to the commonly used random sampling method?
19. A. Systematic sampling
20. B. multi-stage sampling
21. C. Cluster sampling
22. D. typical sampling