Questions 7-10 :For each numbered situation below, select the most appropriate term from the following lettered options.Each option can be used once,more than once,or not at all.
A study of antiviral agents is conducted for the treatment of assignments to individual patients are made by chance ( )
A: Cross-sectional study
B: Cohort study
C: Case-control study
D: Experimental study
E: Surveillance
A study of antiviral agents is conducted for the treatment of assignments to individual patients are made by chance ( )
A: Cross-sectional study
B: Cohort study
C: Case-control study
D: Experimental study
E: Surveillance
举一反三
- Questions 1-6 :For each numbered situation below, select the most appropriate term from the following lettered options.Each option can be used once,more than once,or not at all.<br/>What is the best descriptor of an epidemic that occurs suddenly and within a relatively confined geographic area() A: Sporadic B: Endemic C: Outbreak D: Epidemic E: Pandemic F: Risk factor
- Which of the following is not a major approach to social work research?( ) A: Experimental method(实验法) B: Evaluation study method C: Case study method D: Normative study method(规范研究法)
- 6.对数十例相思病例进行分析，以总结发现共同特征或问题，这属于 A: case report B: cross-sectional study C: ecological study D: follow-up study E: case series analysis
- Which of the method using a group of individuals as a unit of observation and analysis? A: Ecological study B: Monitor C: Cross-sectional study D: Case analysis E: Outbreak investigation
- What can you learn from the study that researchers made? _____ A: Researchers studied students of all levels. B: Researchers knew why students taking water into exam halls could improve their grades. C: The study was approved by all scientists. D: Researchers thought this study was important for younger students.