A: It is a controlled medical study
B: It has a descriptive study design.
C: It is not associated with extensive statistical analysis
D: It could be either retrospective or prospective
举一反三
- 回顾性研究( ). A: an extrovert study B: a prospective study C: a retrospective study D: an introvert study
- 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
- 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 following are mine construction procedures ?( ) A: Mine pre-feasibility study B: Mine feasibility study C: Preliminary mine design D: Mine construction design
- normative study和descriptive study的关系是 。
内容
- 0
Which statement about the preprocessor is false?
- 1
Which statement about precedence is false?
- 2
Which of the followings are correct about difference-in-difference(DID) quasi-experiment study? A: time series data can be used for DID analysis B: panel data can be used for DID analysis C: DID analysis compares the changes over time in an outcome of the treatment group to changes over the same time period in the outcome of the control group. D: DID analysis is the changes over time in an outcome of the treatment group
- 3
Which of the following statement about the article is FALSE? _______ A: It is a news report. B: It is an opinion. C: It is in the pyramid structure. D: It has a direct lead.
- 4
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)