NURS 5366 MODULE 5 QUESTIONS AND ANSWERS ALREADY GRADED A+. 100% VERIFIED SOLUTIONS |
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Question 1
A nurse researcher is designing a study to examine the relationship between nurse staffing ratios and patient
falls on a medical-surgical unit. Which research design is most appropriate?
A. Phenomenological study
B. Correlational study
C. Grounded theory study
D. Ethnographic study
🟢 Correct Answer:
B. Correlational study
🔴 RATIONALE:
A correlational design examines relationships between variables without manipulation. Studying the relationship
between staffing ratios and patient falls is best addressed using a correlational approach. Phenomenological,
grounded theory, and ethnographic designs are qualitative methods focused on lived experience, theory
development, and culture, respectively.
Question 2
Which of the following is a characteristic of a true experimental design?
A. Lack of a control group
B. Random assignment to groups
C. Absence of an intervention
D. Use of convenience sampling only
,🟢 Correct Answer:
B. Random assignment to groups
🔴 RATIONALE:
True experimental designs require random assignment of participants to experimental and control groups,
manipulation of an independent variable, and a high degree of control. Lack of a control group, absence of
intervention, and convenience sampling are not features of true experimental designs.
Question 3
A researcher wants to explore the lived experience of parents who have a child with a terminal illness. Which
qualitative approach is most appropriate?
A. Case study
B. Phenomenology
C. Correlational study
D. Quasi-experimental design
🟢 Correct Answer:
B. Phenomenology
🔴 RATIONALE:
Phenomenology seeks to understand the lived experience of individuals about a phenomenon. Exploring
parents' experiences with a terminally ill child is best suited to a phenomenological approach. Case studies
focus on a single case; correlational and quasi-experimental designs are quantitative.
Question 4
Which of the following is a primary purpose of a literature review in a research study?
A. To prove the researcher's hypothesis
,B. To identify gaps in existing knowledge and provide a rationale for the study
C. To replace the need for a theoretical framework
D. To collect data from participants
🟢 Correct Answer:
B. To identify gaps in existing knowledge and provide a rationale for the study
🔴 RATIONALE:
A literature review summarizes and synthesizes existing research to identify knowledge gaps and support the
need for a new study. It does not prove hypotheses, replace theoretical frameworks, or collect primary data.
Question 5
A study examines the effect of a new teaching intervention on patient knowledge by measuring knowledge
before and after the intervention in the same group. Which design is this?
A. Posttest-only control group design
B. One-group pretest-posttest design
C. Solomon four-group design
D. Factorial design
🟢 Correct Answer:
B. One-group pretest-posttest design
🔴 RATIONALE:
A one-group pretest-posttest design measures the same group before and after an intervention. It lacks a
comparison group, which limits internal validity. Posttest-only designs do not include a pretest; Solomon four-
group and factorial designs include multiple groups.
, Question 6
Which of the following is an example of a research question suitable for a qualitative study?
A. What is the effect of music therapy on pain scores?
B. How do patients describe their experience of living with chronic pain?
C. Is there a relationship between anxiety and sleep quality?
D. Does a walking program reduce blood pressure?
🟢 Correct Answer:
B. How do patients describe their experience of living with chronic pain?
🔴 RATIONALE:
Qualitative research questions explore meaning, experience, and understanding. Asking how patients describe
their experience is qualitative. Questions about effects, relationships, and outcomes are quantitative.
Question 7
A researcher uses a random number table to assign participants to either an intervention group or a control
group. Which process is the researcher using?
A. Stratified sampling
B. Random assignment
C. Convenience sampling
D. Snowball sampling
🟢 Correct Answer:
B. Random assignment
🔴 RATIONALE:
Random assignment uses chance to allocate participants to groups, reducing selection bias and increasing the
UPDATED PER LATEST GUIDELINES | GRADED A+...
Question 1
A nurse researcher is designing a study to examine the relationship between nurse staffing ratios and patient
falls on a medical-surgical unit. Which research design is most appropriate?
A. Phenomenological study
B. Correlational study
C. Grounded theory study
D. Ethnographic study
🟢 Correct Answer:
B. Correlational study
🔴 RATIONALE:
A correlational design examines relationships between variables without manipulation. Studying the relationship
between staffing ratios and patient falls is best addressed using a correlational approach. Phenomenological,
grounded theory, and ethnographic designs are qualitative methods focused on lived experience, theory
development, and culture, respectively.
Question 2
Which of the following is a characteristic of a true experimental design?
A. Lack of a control group
B. Random assignment to groups
C. Absence of an intervention
D. Use of convenience sampling only
,🟢 Correct Answer:
B. Random assignment to groups
🔴 RATIONALE:
True experimental designs require random assignment of participants to experimental and control groups,
manipulation of an independent variable, and a high degree of control. Lack of a control group, absence of
intervention, and convenience sampling are not features of true experimental designs.
Question 3
A researcher wants to explore the lived experience of parents who have a child with a terminal illness. Which
qualitative approach is most appropriate?
A. Case study
B. Phenomenology
C. Correlational study
D. Quasi-experimental design
🟢 Correct Answer:
B. Phenomenology
🔴 RATIONALE:
Phenomenology seeks to understand the lived experience of individuals about a phenomenon. Exploring
parents' experiences with a terminally ill child is best suited to a phenomenological approach. Case studies
focus on a single case; correlational and quasi-experimental designs are quantitative.
Question 4
Which of the following is a primary purpose of a literature review in a research study?
A. To prove the researcher's hypothesis
,B. To identify gaps in existing knowledge and provide a rationale for the study
C. To replace the need for a theoretical framework
D. To collect data from participants
🟢 Correct Answer:
B. To identify gaps in existing knowledge and provide a rationale for the study
🔴 RATIONALE:
A literature review summarizes and synthesizes existing research to identify knowledge gaps and support the
need for a new study. It does not prove hypotheses, replace theoretical frameworks, or collect primary data.
Question 5
A study examines the effect of a new teaching intervention on patient knowledge by measuring knowledge
before and after the intervention in the same group. Which design is this?
A. Posttest-only control group design
B. One-group pretest-posttest design
C. Solomon four-group design
D. Factorial design
🟢 Correct Answer:
B. One-group pretest-posttest design
🔴 RATIONALE:
A one-group pretest-posttest design measures the same group before and after an intervention. It lacks a
comparison group, which limits internal validity. Posttest-only designs do not include a pretest; Solomon four-
group and factorial designs include multiple groups.
, Question 6
Which of the following is an example of a research question suitable for a qualitative study?
A. What is the effect of music therapy on pain scores?
B. How do patients describe their experience of living with chronic pain?
C. Is there a relationship between anxiety and sleep quality?
D. Does a walking program reduce blood pressure?
🟢 Correct Answer:
B. How do patients describe their experience of living with chronic pain?
🔴 RATIONALE:
Qualitative research questions explore meaning, experience, and understanding. Asking how patients describe
their experience is qualitative. Questions about effects, relationships, and outcomes are quantitative.
Question 7
A researcher uses a random number table to assign participants to either an intervention group or a control
group. Which process is the researcher using?
A. Stratified sampling
B. Random assignment
C. Convenience sampling
D. Snowball sampling
🟢 Correct Answer:
B. Random assignment
🔴 RATIONALE:
Random assignment uses chance to allocate participants to groups, reducing selection bias and increasing the
