医学统计学英语选择题

1. A study was conducted to investigate the relationship between smoking and lung cancer. Which of the following is the dependent variable in this study?

A. Smoking B. Lung cancer C. Both smoking and lung cancer D. None of the above

Answer: B. Lung cancer

2. A researcher is interested in studying the effect of a new drug on blood pressure. Which of the following study designs would be most appropriate for this research question?

A. Cross-sectional study B. Case-control study C. Cohort study D. Randomized controlled trial

Answer: D. Randomized controlled trial

3. A researcher wants to compare the effectiveness of two different treatments for a certain medical condition. Which of the following statistical tests would be most appropriate for this research question?

A. Chi-square test B. T-test C. ANOVA D. Regression analysis

Answer: B. T-test

4. A study was conducted to investigate the relationship between age and blood pressure. Which of the following statistical tests would be most appropriate for this research question?

A. Chi-square test B. T-test C. ANOVA D. Correlation analysis

Answer: D. Correlation analysis

5. A researcher wants to study the prevalence of a certain medical condition in a population. Which of the following study designs would be most appropriate for this research question?

A. Cross-sectional study B. Case-control study C. Cohort study D. Randomized controlled trial

Answer: A. Cross-sectional stud