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NURS 4100 Week 4 Quiz / NURS4100 Week 4
Quiz (Latest): Quality and Safety through
Evidence Based Practice (ANSWERS VERIFIED
100% CORRECT)
NURS 4100 Week 4 Quiz: Quality and Safety
through Evidence-Based Practice
Instructions
This quiz consists of 70 multiple-choice questions designed to test your understanding of qualitative research, patient safety, and evidence-based practice principles relevant to NURS 4100 at Walden University. Each question includes four answer options, listed on separate lines, the correct answer, and a rationale explaining why the answer is correct.
Question 1
The purpose of a qualitative study on patient safety incidents in hospice care was to: a. Test a new safety protocol b. Describe patient safety incidents as reported by healthcare team members c. Measure the frequency of medication errors d. Evaluate the cost of safety interventions Correct Answer : b Rationale : Qualitative studies aim to describe or explore phenomena, such as patient safety incidents reported by healthcare team members, rather than test or measure outcomes.
Question 2
Why is an open-ended interview methodology appropriate for a qualitative study on nurse perceptions of safety? a. It provides numerical data for analysis
b. It allows participants to share detailed experiences c. It ensures consistent responses across participants d. It reduces the need for data coding Correct Answer : b Rationale : Open-ended interviews capture rich, subjective data, allowing participants to express detailed experiences, which is ideal for qualitative research.
Question 3
Which study design is most suitable for exploring lived experiences of patients in a hospital setting? a. Randomized controlled trial b. Exploratory descriptive c. Cohort study d. Case-control study Correct Answer : b Rationale : Exploratory descriptive designs are used in qualitative research to describe phenomena, such as lived experiences, in detail.
Question 4
A study uses convenience sampling to select participants. This method is appropriate because: a. It ensures a representative sample b. It is feasible and accessible for qualitative research c. It guarantees randomization d. It eliminates researcher bias Correct Answer : b Rationale : Convenience sampling is practical and accessible, commonly used in qualitative research, though it may not ensure representativeness.
Question 5
In a qualitative study, questionnaires can lead to: a. Highly reliable numerical data b. Potential misinterpretation of responses c. Elimination of subjectivity d. Standardized statistical outcomes
Question 9
A study exploring patient safety incidents used emergency call records. The purpose was to: a. Test a new emergency response system b. Describe patient safety incidents c. Measure nurse response times d. Evaluate staff training effectiveness Correct Answer : b Rationale : Qualitative studies focus on describing phenomena, such as patient safety incidents, rather than testing or measuring outcomes.
Question 10
Which sampling method targets participants with specific characteristics relevant to the study? a. Convenience sampling b. Random sampling c. Purposive sampling d. Snowball sampling Correct Answer : c Rationale : Purposive sampling selects participants with specific characteristics relevant to the study’s purpose, common in qualitative research.
Question 11
A qualitative study’s results are considered reliable when: a. The sample size is large b. Multiple researchers agree on coding c. Statistical tests are significant d. The study is conducted over a short period Correct Answer : b Rationale : Reliability in qualitative research is enhanced when multiple researchers agree on coding, ensuring consistency in theme identification.
Question 12
The study design that develops theories from data is: a. Ethnography b. Grounded theory c. Historical d. Case study Correct Answer : b Rationale : Grounded theory develops theories directly from qualitative data, making it suitable for exploratory research.
Question 13
A limitation of a qualitative study might be: a. Use of a large sample size b. Lack of statistical analysis c. Use of a convenience sample d. Standardized data collection Correct Answer : c Rationale : Convenience sampling is a common limitation in qualitative studies, as it may not represent the broader population.
Question 14
In the PICO framework, the “C” stands for: a. Context b. Comparison c. Control d. Conclusion Correct Answer : b Rationale : In PICO, “C” stands for Comparison, referring to the alternative intervention or standard care being compared.
Question 15
Which of the following is a strength of qualitative research? a. Generalizability to large populations b. Ability to capture rich, detailed data
Correct Answer : b Rationale : Qualitative findings are relevant when they provide insights into experiences that inform clinical practice.
Question 19
The purpose of a study exploring medication errors in a hospital was to: a. Test a new medication delivery system b. Describe the types and causes of errors c. Measure nurse satisfaction d. Reduce hospital costs Correct Answer : b Rationale : Qualitative studies aim to describe phenomena, such as the types and causes of medication errors, rather than test interventions.
Question 20
Why is purposive sampling used in qualitative research? a. To ensure statistical significance b. To select participants with relevant experiences c. To randomize participant selection d. To reduce data collection time Correct Answer : b Rationale : Purposive sampling targets participants with specific experiences relevant to the study’s purpose.
Question 21
A qualitative study on patient safety used focus groups. This method is effective because: a. It provides numerical data b. It allows group interaction to generate insights c. It ensures anonymity d. It reduces researcher involvement Correct Answer : b Rationale : Focus groups encourage group interaction, generating rich qualitative data through discussion.
Question 22
In a study, nurse-sensitive outcomes included: a. Hospital revenue b. Medication error rates c. Patient insurance coverage d. Length of physician consultations Correct Answer : b Rationale : Medication error rates are nurse-sensitive, as nursing practices directly impact these outcomes.
Question 23
A qualitative study limitation was the use of only one acute care unit. This affects: a. Generalizability b. Statistical power c. Randomization d. Intervention efficacy Correct Answer : a Rationale : Using only one unit limits the generalizability of findings to other settings.
Question 24
The PICO framework helps nurses: a. Conduct qualitative interviews b. Formulate evidence-based research questions c. Analyze narrative data d. Design survey tools Correct Answer : b Rationale : PICO is used to create focused research questions for evidence-based practice.
Question 25
A qualitative study’s data collection method included: a. Randomized surveys
Correct Answer : b Rationale : Nurse informaticists bridge clinical and IT teams to improve patient care processes.
Question 29
A study found a decrease in fall rates after implementing a new protocol. This outcome is: a. Nurse-sensitive b. Physician-driven c. Financially motivated d. Patient-reported Correct Answer : a Rationale : Fall rates are nurse-sensitive, as nursing interventions directly influence fall prevention.
Question 30
In qualitative research, reliability is ensured by: a. Large sample sizes b. Consistent coding by multiple researchers c. Random sampling d. Statistical significance Correct Answer : b Rationale : Consistent coding by multiple researchers enhances the reliability of qualitative findings.
Question 31
A qualitative study on patient safety incidents in emergency departments used: a. Randomized controlled trials b. Open-ended interviews c. Blood tests d. Cost-benefit analysis Correct Answer : b Rationale : Open-ended interviews are suitable for exploring subjective experiences in qualitative research.
Question 32
The strength of a grounded theory study is its ability to: a. Generalize findings to all populations b. Develop theories from data c. Use statistical tests d. Eliminate subjectivity Correct Answer : b Rationale : Grounded theory develops theories directly from qualitative data, making it unique in its approach.
Question 33
Which of the following is a limitation of convenience sampling? a. It ensures representativeness b. It is time-consuming c. It may not reflect the broader population d. It requires complex recruitment strategies Correct Answer : c Rationale : Convenience sampling is a limitation in qualitative research because it selects participants based on accessibility, which may not represent the broader population.
Question 34
A qualitative study on patient safety incidents used narrative analysis to: a. Quantify the frequency of incidents b. Identify themes in patient stories c. Conduct statistical comparisons d. Measure intervention outcomes Correct Answer : b Rationale : Narrative analysis in qualitative research focuses on identifying themes and patterns in participants’ stories.
Question 35
The PICO framework’s “O” stands for: a. Observation
Correct Answer : b Rationale : Purposive sampling targets participants with specific characteristics or expertise relevant to the study’s purpose.
Question 39
A qualitative study’s reliability is enhanced by: a. Using a single researcher for coding b. Conducting statistical tests c. Triangulation of data sources d. Randomizing participant selection Correct Answer : c Rationale : Triangulation, using multiple data sources or methods, enhances the reliability and validity of qualitative findings.
Question 40
The purpose of an ethnographic study in a hospital setting is to: a. Test a new intervention b. Explore cultural practices of healthcare teams c. Measure patient outcomes d. Conduct a cost-benefit analysis Correct Answer : b Rationale : Ethnography focuses on understanding cultural practices and behaviors within a specific group or setting.
Question 41
A qualitative study used open-ended interviews to explore patient falls. This method is effective because: a. It provides numerical data b. It captures detailed patient experiences c. It ensures anonymity d. It reduces researcher bias Correct Answer : b Rationale : Open-ended interviews allow participants to share detailed, subjective experiences, ideal for qualitative research.
Question 42
In the PICO framework, the “P” stands for: a. Plan b. Population c. Protocol d. Procedure Correct Answer : b Rationale : In PICO, “P” stands for Population, defining the group of interest in the research question.
Question 43
A study limitation noted was a small sample size. This primarily affects: a. Statistical significance b. Generalizability c. Randomization d. Intervention efficacy Correct Answer : b Rationale : A small sample size in qualitative research limits the generalizability of findings to other populations or settings.
Question 44
Which study design is best for developing a theory about nurse burnout? a. Case study b. Grounded theory c. Cohort study d. Randomized controlled trial Correct Answer : b Rationale : Grounded theory is designed to develop theoriesdirectly from qualitative data, such as nurse experiences of burnout.
Question 45
c. Case-control study d. Cohort study Correct Answer : b Rationale : Ethnography is a qualitative study design that explores cultural practices and behaviors, suitable for patient safety incidents.
Question 49
In qualitative research, data saturation refers to: a. Collecting data until no new themes emerge b. Reaching a large sample size c. Completing statistical analysis d. Randomizing data collection Correct Answer : a Rationale : Data saturation occurs when no new themes or insights emerge from additional data collection in qualitative research.
Question 50
The PICO framework’s “I” stands for: a. Investigation b. Intervention c. Implementation d. Inquiry Correct Answer : b Rationale : In PICO, “I” stands for Intervention, referring to the treatment or exposure being studied.
Question 51
A qualitative study on patient safety used snowball sampling. This method is appropriate when: a. Participants are randomly selected b. Participants refer other participants c. A large sample size is needed d. Statistical analysis is required
Correct Answer : b Rationale : Snowball sampling involves participants referring others, often used when studying]_{
System: studying hard-to-reach populations.
Question 52
A qualitative study’s findings are most relevant to clinical practice when they: a. Are statistically significant b. Provide actionable insights into experiences c. Use a random sample d. Eliminate all biases Correct Answer : b Rationale : Qualitative findings are relevant when they provide insights that can inform clinical practice, such as patient or provider experiences.
Question 53
A study on nurse handoff procedures used participant observation. This method is effective because: a. It ensures anonymity b. It captures real-time behaviors and interactions c. It provides numerical data d. It reduces data collection time Correct Answer : b Rationale : Participant observation allows researchers to capture real-time behaviors and interactions in their natural context, ideal for qualitative studies.
Question 54
Which of the following is a limitation of qualitative research? a. Use of large sample sizes b. Limited generalizability to broader populations c. Reliance on statistical analysis d. Standardized data collection methods
Question 58
Which of the following is a characteristic of grounded theory? a. Focus on cultural practices b. Development of theories from data c. Use of historical records d. Large, random samples Correct Answer : b Rationale : Grounded theory develops theories directly from qualitative data, distinguishing it from other study designs.
Question 59
A study used thematic analysis to: a. Calculate statistical significance b. Identify patterns in qualitative data c. Measure numerical outcomes d. Randomize participant selection Correct Answer : b Rationale : Thematic analysis identifies patterns and themes in qualitative data to understand the phenomenon being studied.
Question 60
In qualitative research, triangulation refers to: a. Using a single data source b. Combining multiple data sources or methods c. Randomizing participant selection d. Conducting statistical tests Correct Answer : b Rationale : Triangulation involves using multiple data sources or methods to enhance the validity and reliability of qualitative findings.
Question 61
A nurse-sensitive outcome in a study on quality improvement was: a. Hospital readmission rates b. Catheter-associated urinary tract infections c. Patient insurance coverage d. Length of physician visits Correct Answer : b Rationale : Catheter-associated urinary tract infections are nurse-sensitive, as nursing practices directly impact their prevention.
Question 62
A qualitative study on patient falls used purposive sampling to: a. Ensure a large sample size b. Select patients with a history of falls c. Randomize participant selection d. Reduce data collection costs Correct Answer : b Rationale : Purposive sampling selects participants with specific characteristics, such as a history of falls, relevant to the study’s purpose.
Question 63
The strength of an ethnographic study is its ability to: a. Generalize findings to all populations b. Explore cultural practices in depth c. Conduct statistical analysis d. Eliminate researcher bias Correct Answer : b Rationale : Ethnography provides an in-depth understanding of cultural practices and behaviors within a specific group.
Question 64
A qualitative study’s data collection stopped when: a. A large sample size was achieved b. Data saturation was reached
