DQ 2 :numerous ways in which public health nurses can collect data in order to identify population needs and develop interventions, including surveys, focus groups, and interviews.
Three questions, and the third is the hard one. Describing surveys and focus groups is the easy part; saying how you would know which technique is most effective for your population is a question about evaluation criteria.
Editorial process
Last reviewed · August 22, 2026
Two methods chosen, and a criterion for choosing them
Name a population early, because every judgement in this post depends on it and the prompt says your chosen population. A method that works for insured adults responding to a mailed survey fails for people experiencing homelessness, recent immigrants with limited English, or adolescents whose parents would see the response. Once the population is fixed, the choice of two methods becomes arguable rather than arbitrary. Describe each properly, which means saying what it produces and not just what it is: surveys give you prevalence and comparability across a defined sample, focus groups give you the reasoning and language a community uses about a problem, and key informant interviews give you depth and access to people who will not attend a group. Note that the three answer different questions, so the pairing should be complementary. A survey paired with focus groups answers how many and then why; two surveys answer how many twice.
The third question is the one that separates the post. How would you know which technique is most effective is not asking for a preference; it is asking for criteria, and you should give them explicitly. Response and participation rates by subgroup will tell you whether you reached the people the assessment is about. Representativeness against known census or registry figures tells you whether the sample is skewed. Whether the data actually answered the question you set, rather than an adjacent one, is a criterion people forget. Feasibility matters too: cost per completed response, staff time, translation and interpretation needs, and how long the method takes to produce usable results. Finally, community acceptability and trust decide whether a method works at all in populations with reason to distrust institutions, and pilot testing the instrument is the cheapest way to find that out before committing. Give the criteria you would actually apply, in the order you would apply them.
Likely learning objectives
- Anchor a methods choice to a specific population and its access conditions.
- Describe what each method produces rather than what it is.
- State explicit criteria for judging a method's effectiveness.
- Recognise community trust and acceptability as determinants of data quality.
Assignment instructions
Read the full question
Review every instruction before using the planning guidance that follows.
PHN 652 Topic 3 DQ 2 DQ 2 :numerous ways in which public health nurses can collect data in order to identify population needs and develop interventions, including surveys, focus groups, and interviews. Assessment Description There are numerous ways in which public health nurses can collect data in order to identify population needs and develop interventions, including surveys, focus groups, and interviews. Choose the two data collection methods you feel are the most effective. Describe each method and explain why you chose them. How would you know which data collection technique is most effective for your chosen population?
Turn the brief into deliverables
- 01A named population with the access conditions that constrain the method.
- 02Two chosen methods described by what each produces.
- 03A reason for the pairing rather than for each method separately.
- 04Explicit criteria for judging effectiveness.
- 05A feasibility consideration such as cost, time or translation.
Describe, justify, then say how you would know
The population and its access conditions
Name the population and the barriers that constrain how it can be reached.
What the assessor is likely looking for
An access barrier that rules a method in or out.
What each method produces
Describe the two chosen methods by the kind of data each yields.
What the assessor is likely looking for
A description in terms of output rather than procedure.
Why this pairing
Justify the combination as complementary rather than justifying each alone.
What the assessor is likely looking for
A gap in one method that the other fills.
Criteria for effectiveness
State how you would judge which technique worked, using measurable criteria.
What the assessor is likely looking for
Subgroup response rate or representativeness named explicitly.
Feasibility and trust
Address cost, time, translation and community acceptability, and propose a pilot.
What the assessor is likely looking for
Acceptability treated as a determinant of data quality, not a courtesy.
Where community assessment methods are documented
Recommended databases
- CDC
- PubMed Central
- NCBI Bookshelf
- GCU Library
Search sequence
- 1.Find a community health assessment framework and note which methods it recommends and why.
- 2.Search for evidence on survey non-response bias in your chosen population.
- 3.Read a study that used focus groups in a comparable community.
- 4.Look for guidance on pilot testing an assessment instrument.
Reference shortlist
These are authoritative starting points, not a ready-made bibliography. A qualified reviewer must confirm that each source fits the assignment and supports the claim beside which it is cited.
Geriatric Care Special Needs Assessment
StatPearls Publishing (NCBI Bookshelf) · 2023
A structured needs assessment, for what a method must produce to be usable.
Nurses' and Patients' Perspectives on Care Coordination Across Health Care and Social Services Sectors: A Qualitative Study
PMC / National Library of Medicine · 2025
Nurse and patient perspectives gathered qualitatively, as a worked interview example.
Measuring psychological safety in healthcare teams: developing an observational measure to complement survey methods
BMC Medical Research Methodology · 2020
Developing and validating a measure, for instrument piloting and validity criteria.
AHRQ Health Literacy Universal Precautions Toolkit
Agency for Healthcare Research and Quality · 2024
Health literacy guidance, for instrument readability and translation feasibility.
Delivering Patient-Centered Care With Respect to Patient Education and Health Literacy in Athletic Training Job Settings
PMC / National Library of Medicine · 2025
Health literacy and patient-centred communication, for acceptability and comprehension.
Before you post to the Topic 3 forum
Common mistakes
- Choosing methods before naming the population.
- Describing methods generically rather than by the data they yield.
- Answering the third question with a preference instead of a criterion.
- Ignoring subgroup response rates, which is where sampling bias becomes visible.
- Omitting trust and acceptability in populations with reason to distrust institutions.
Submission checklist
- Is the population named before the methods?
- Does each description say what the method produces?
- Is the pairing justified as complementary?
- Have you given at least three criteria for effectiveness?
- Is feasibility addressed with something measurable?
Use this guide to plan and review your own work. Follow your institution's rules and read Brinevia's academic-integrity policy.
Written by
Maren Caldwell
MSN, RN, CNE
Medical-surgical nursing, pharmacology and NCLEX preparation
Maren is a registered nurse with over 15 years of clinical and educational experience in medical-surgical nursing. She writes on NCLEX preparation, patient care fundamentals, pharmacology and evidence-based practice.
Reviewed by
Dr. Tessa Redmond
DNP, RN, CNE
Evidence-based practice and clinical education
Tessa is a doctorally-prepared nurse educator. She reviews Brinevia content for clinical accuracy and alignment with current evidence-based guidelines.