HCM440
Healthcare Research & Evaluation
Methodologies
Comprehensive Midterms Test (Qns & Ans)
2025
1. Which of the following sampling methods is best suited for
qualitative research?
- A) Simple random sampling
- B) Stratified sampling
- C) Purposive sampling
- D) Systematic sampling
- Correct ANS: C) Purposive sampling
- Rationale: Purposive sampling involves selecting
participants based on specific characteristics relevant to the
research, making it ideal for qualitative studies.
©/2025
,2. In a cohort study, what is the primary outcome measure?
- A) Prevalence
- B) Incidence
- C) Mortality rate
- D) Case fatality rate
- Correct ANS: B) Incidence
- Rationale: Cohort studies aim to measure the incidence of
outcomes over time in a defined group of people.
3. Which statistical test is most appropriate for comparing the
means of two independent groups?
- A) T-test
- B) ANOVA
- C) Chi-square test
- D) Mann-Whitney U test
- Correct ANS: A) T-test
- Rationale: The T-test is specifically designed to compare
the means of two independent groups.
4. What does the term "confounding variable" refer to in
healthcare research?
©/2025
, - A) A variable with no impact on the study results
- B) A variable that is intentionally manipulated
- C) A variable that influences both the dependent and
independent variables
- D) A variable that is unrelated to the study
- Correct ANS: C) A variable that influences both the
dependent and independent variables
- Rationale: Confounding variables can create a false
association between the independent and dependent variables.
5. What is the primary purpose of a systematic review?
- A) To present anecdotal evidence
- B) To summarize available evidence and provide
comprehensive analysis
- C) To conduct new experiments
- D) To present data from only the author's previous research
- Correct ANS: B) To summarize available evidence and
provide comprehensive analysis
- Rationale: Systematic reviews aim to gather all relevant
studies on a topic to provide a clear overview of the existing
evidence.
Fill-in-the-Blank Questions
©/2025
Healthcare Research & Evaluation
Methodologies
Comprehensive Midterms Test (Qns & Ans)
2025
1. Which of the following sampling methods is best suited for
qualitative research?
- A) Simple random sampling
- B) Stratified sampling
- C) Purposive sampling
- D) Systematic sampling
- Correct ANS: C) Purposive sampling
- Rationale: Purposive sampling involves selecting
participants based on specific characteristics relevant to the
research, making it ideal for qualitative studies.
©/2025
,2. In a cohort study, what is the primary outcome measure?
- A) Prevalence
- B) Incidence
- C) Mortality rate
- D) Case fatality rate
- Correct ANS: B) Incidence
- Rationale: Cohort studies aim to measure the incidence of
outcomes over time in a defined group of people.
3. Which statistical test is most appropriate for comparing the
means of two independent groups?
- A) T-test
- B) ANOVA
- C) Chi-square test
- D) Mann-Whitney U test
- Correct ANS: A) T-test
- Rationale: The T-test is specifically designed to compare
the means of two independent groups.
4. What does the term "confounding variable" refer to in
healthcare research?
©/2025
, - A) A variable with no impact on the study results
- B) A variable that is intentionally manipulated
- C) A variable that influences both the dependent and
independent variables
- D) A variable that is unrelated to the study
- Correct ANS: C) A variable that influences both the
dependent and independent variables
- Rationale: Confounding variables can create a false
association between the independent and dependent variables.
5. What is the primary purpose of a systematic review?
- A) To present anecdotal evidence
- B) To summarize available evidence and provide
comprehensive analysis
- C) To conduct new experiments
- D) To present data from only the author's previous research
- Correct ANS: B) To summarize available evidence and
provide comprehensive analysis
- Rationale: Systematic reviews aim to gather all relevant
studies on a topic to provide a clear overview of the existing
evidence.
Fill-in-the-Blank Questions
©/2025
