When analyzing surveillance data by age, which age groups are preferred?
- A. 1-year age groups
- B. 5-year age groups
- C. 10-year age groups
- D. Depends on the disease
Correct Answer: D
Rationale: The choice of age grouping depends on the disease being studied and the population structure.
You may also like to solve these questions
Define the following terms: Controlled clinical trial
- A. A study where all participants receive the same treatment.
- B. A trial comparing an intervention against a control group.
- C. A trial without any specific hypotheses.
- D. A trial conducted without ethical approval.
Correct Answer: B
Rationale: Controlled clinical trials compare interventions to a control to establish causality.
Binomial distribution is
- A. Discrete distribution
- B. Continuous distribution
- C. Individual distribution
- D. Poisson distribution
Correct Answer: A
Rationale: The binomial distribution models discrete outcomes, typically successes and failures.
when research topic is not novel and relevant:
- A. correct it
- B. change it
- C. read more about it
- D. review articles
Correct Answer: B
Rationale: If a research topic lacks novelty and relevance, changing it is advisable.
Which of the following is not a method to control for the effects of confounding?
- A. Randomization
- B. Stratification
- C. Matching
- D. Blinding
Correct Answer: D
Rationale: Blinding primarily reduces information bias, not confounding. Methods like randomization, stratification, and matching are specifically used to address confounding.
Which is not related to marriage?
- A. Polygamy
- B. living together
- C. love
- D. divorce
Correct Answer: C
Rationale: Love is an emotion and not directly a legal or formal aspect of marriage.
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