Q1. R² is the modified version of R that accounts for the number of predictors in a multiple regression model.

A. True B. False C. None of the above

Q2. Which of these three factors is not a condition for exposure to qualify as a risk factor?

A. There is a dose-response relationship.

B. Temporality of the exposure and disease is not necessary.

C. The observed relationship between exposure and the disease is not due to a source of error in the design.

D. All of the above

Q3. The method of analysis in a study would depend on which of the following?

A. Research question B. Literature reviews C. Type of subject D. None of the above

Q4.Which of the following will help to mitigate confounding?

A. Multiple regression model B. Randomization C. Stratification D. All of the above

Q5. Which of these is a potential risk factor for disease exposure? Choose the best answer.

A. high-fat diet

B. cigarette smoking C. alcohol consumption D. all of the above

Q6. Researchers would conduct hypothesis in which of these types of research studies?

A. Descriptive B. Analytic C. Experiment

D. B and C

Q7. Which of the models can help us to understand unit odds ratio in a case-control study?

A. Multiple linear regression B. Simple linear regression C. Multiple logistic regression D. None of the above

Q8. Descriptive research goal is intended to:

A. Describe the health phenomenon in terms of person, place and time.

B. Help determine factors that are associated with or related to morbidity and mortality.

C. Determine the causes of morbidity and mortality.

D. None of the above

Q9. In a natural experiment, researchers use matching to assign individuals to the research groups.

A. True B. False C. None of the above

Q10. You are required to examine an association between gender and systolic blood pressure.

A. State an appropriate research question, including both the null and the alternative hypotheses B. Identify the dependent and the independent variables. C. State the most appropriate statistics you will use to test the hypothesis and why?