,1. Which of the following research designs is best suited
for establishing causal relationships?
- A) Case Study
- B) Cross-Sectional Study
- C) Randomized Controlled Trial
- D) Qualitative Study
Correct Answer: C
Rationale: Randomized Controlled Trials (RCT) allow
researchers to establish cause-and-effect relationships
through controlled variables.
2. In a systematic review, the article selection process
relies heavily on which of the following?
- A) Individual opinions
- B) Study quality and relevance
- C) Random sampling
- D) Data collection methods
Correct Answer: B
Rationale: Systematic reviews utilize rigorous
methodology to choose studies based on their quality and
relevance to the research question.
, synthesizes existing findings to provide a background for
new research.
4. Which method is considered most effective for
minimizing selection bias in clinical trials?
- A) Observational design
- B) Randomization
- C) Blinding
- D) Stratification
Correct Answer: B
Rationale: Randomization ensures that participants are
assigned to groups in a way that minimizes selection bias.
5. What is the primary goal of qualitative research in
nursing?
- A) To quantify patient outcomes
- B) To explore patient experiences and perceptions
- C) To statistically test a hypothesis
- D) To establish a diagnosis
Correct Answer: B
Rationale: Qualitative research focuses on exploring
and understanding patients’ experiences and perceptions in
depth.
Fill-in-the-Blank Questions
6. Fill in the blank: The __________ is the variable that is
manipulated in an experiment to observe its effect on the
dependent variable.
Correct Answer: Independent variable
Rationale: The independent variable is manipulated to
determine its impact on the dependent variable.
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