NR 566 FINAL EXAM QUESTIONS
AND ANSWERS
1. Which of the following is NOT a characteristic of a good research question?
A) It should be specific and focused
B) It should be based on a gap in existing literature
C) It should be broad and cover multiple topics
D) It should be feasible to answer within the study's scope
Answer: C) It should be broad and cover multiple topics
2. What is the primary purpose of a literature review in a research study?
A) To summarize findings from previous studies and identify research gaps
B) To provide a detailed explanation of the study's methodology
C) To present the results of the research
D) To justify the conclusions based on the data collected
Answer: A) To summarize findings from previous studies and identify research gaps
3. In a randomized controlled trial (RCT), the group that does NOT receive the
experimental treatment is called the:
A) Experimental group
B) Control group
C) Randomized group
D) Treatment group
Answer: B) Control group
,4. Which of the following is an example of qualitative data?
A) Blood pressure measurements
B) Patient satisfaction ratings on a 5-point scale
C) Interview transcripts
D) Number of hospital admissions
Answer: C) Interview transcripts
5. In statistical analysis, a p-value less than 0.05 indicates:
A) A large effect size
B) The results are statistically significant
C) The results are not significant
D) The study's power is insufficient
Answer: B) The results are statistically significant
6. Which ethical principle ensures that participants are informed about the nature
and risks of a study before participating?
A) Autonomy
B) Justice
C) Beneficence
D) Informed consent
Answer: D) Informed consent
7. What is the main advantage of using a cohort study design?
A) It is useful for examining rare diseases
,B) It allows researchers to infer causality between exposure and outcome
C) It is cheaper and faster than experimental studies
D) It does not require ethical approval
Answer: B) It allows researchers to infer causality between exposure and outcome
8. The term "confounding variable" refers to:
A) A variable that is unrelated to the study's hypothesis
B) A variable that biases the relationship between the independent and dependent
variables
C) A variable that can be controlled during the experiment
D) A variable that causes random errors in data collection
Answer: B) A variable that biases the relationship between the independent and
dependent variables
9. Which of the following statistical tests is used to compare the means of two
independent groups?
A) Paired t-test
B) One-way ANOVA
C) Chi-square test
D) Independent t-test
Answer: D) Independent t-test
10. Which of the following is a potential limitation of a cross-sectional study?
A) It can establish causal relationships
B) It is time-consuming and expensive
C) It only provides a snapshot of data at a single point in time
, D) It requires a large sample size to be effective
Answer: C) It only provides a snapshot of data at a single point in time11. Which of
the following is the most important factor in ensuring internal validity in a research
study?
A) Random sampling
B) Random assignment to groups
C) Large sample size
D) Use of control groups
Answer: B) Random assignment to groups
12. Which of the following is an example of a dependent variable?
A) Age of participants
B) Treatment type
C) Patient recovery time
D) Gender of participants
Answer: C) Patient recovery time
13. A research study used a survey to assess the level of satisfaction among patients
who underwent surgery. What type of data is being collected?
A) Continuous data
B) Nominal data
C) Ordinal data
D) Interval data
Answer: C) Ordinal data
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