Epidemiology and Population Health NURS 6700 Week 4 Assignment
Assignment 2: Epidemiologic Study Designs (NURS 6700 Week 4, Walden University)
This assignment builds on Week 3’s selection of a population health problem. It focuses on selecting an appropriate epidemiologic study design (observational or experimental) to investigate an association between a risk factor/exposure and a health outcome.
Typical Prompt (based on student-uploaded materials for NURS 6700 and the closely related NURS 8310, which shares content):
To Prepare:
Consider the population health problem (association between a risk factor and a health outcome) you selected in Week 3 (or a new one if needed).
Review Table 2.2 or similar resources in your course text (e.g., Curley or Friis & Sellers) for examples of topics and study designs.
Select an observational or experimental study design you think would be most appropriate for exploring this association. You may choose from designs covered in the module (e.g., ecological, cross-sectional, case-control, cohort, or randomized controlled trial).
The Assignment:
In a 3- to 4-page paper (not including title page and references), address the following:
Briefly identify the population health topic (association between a risk factor and a health outcome) you selected. Present a clear research question based on this topic that you would like to answer in a proposed study.
Identify and describe the epidemiologic study design you selected (include why it is the most appropriate for investigating this association).
Explain the strengths and limitations of the chosen study design in the context of your research question.
Discuss potential sources of bias, confounding, or other methodologic issues and how they might be addressed.
Explain how findings from a study using this design could inform nursing practice, population health interventions, or positive social change.
Additional Requirements (standard for Walden NURS courses):
Use APA 7th edition format.
Include a title page, introduction, conclusion, and references.
Support your paper with evidence from the course readings and at least 3–5 scholarly sources.
Submit by Day 7 of Week 4.
This assignment helps prepare you for later major assessments where you develop a full proposal or intervention plan using epidemiologic principles.
Note: Exact wording, any specific required readings/articles, the rubric, or slight variations (e.g., page length or additional questions) are provided in your course’s learning management system (Blackboard) under Week 4 > Assignments. Student documents from Course Hero and similar sites consistently show this focus on choosing and justifying a study design for a selected health problem.
There is also typically a Week 4 Discussion focused on Randomized Controlled Trials (RCTs) or experimental designs, where students analyze an article using an RCT and discuss its strengths/limitations (e.g., one student post referenced RCT design elements like random assignment, control groups, and expected outcome differences).
Walden assignments emphasize application to evidence-based practice and social change. The rubric usually evaluates content depth, critical analysis, use of epidemiologic concepts, APA, and scholarly support.
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