Searching and Critiquing the Evidence



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Bring to mind the various practice problems you and your colleagues have been considering in this course. What insights might the literature provide with regard to these issues? How should you evaluate the research? And, why is it important to review and critique this information?

This Discussion addresses strategies for searching the literature in order to critique existing evidence. Please note that this Discussion is related to Application Assignment #4, which is assigned this week. You are strongly encouraged to read through that assignment now.

To prepare:

  • Review the presented in the Learning Resources.
  • Recall the practice problem and theoretical framework you identified for the Week 5Discussion(See attached file). Using the Walden Library and other professional databases, conduct a search and locate four(4)appropriate primary research articlesone of which is a systematic review.
  • Review the articles and determine what level of evidence they represent. Using the critique strategies presented in the Learning Resources as a guide, consider how the articles you located either support or weaken the merit of your theoretical framework or the importance of your practice problem.

By Wednesday 7/05/17, post 550 words essay in APA format with 2 references from the list below, as well as the 4 references for the articles review that include the level one headings as numbered below:

posta cohesive response that addresses the following:

1)How does the literature strengthen or weaken the merit of your selected theoretical framework and practice problem?

2)What levels of evidence are most prevalent in these articles?(I, II, III, IV or V)

3)Why do you think that level of evidence is most prevalent?

Walden Library Webinars:


Conducting a Literature Search on a . Retrieved from:


Evidence-Based Health Research Retried from:

Introduction to .Retrieved from:

Medical Research: Finding Reviews. Retrieved from:

Medical Research: Finding Studies by Type. Retrieved from:


Medical Research: Health Policies and Legal Cases. Retrieved from:

Recommended Webinars:

Webinars on Library Skills. Retrieved from:


Evidence Based Practice for NURS 6052. Retrieved from:

Required Readings

Gray, J.R., Grove, S.K., & Sutherland, S. (2017). Burns and Groves the practice of nursing research: Appraisal, synthesis, and generation of evidence (8th ed.). St. Louis, MO: Saunders Elsevier.

Chapter 3, “Introduction to Quantitative Research”

Chapter 3 provides an overview of quantitative research, the concepts associated with this type of research, and different quantitative research designs.


Chapter 4, “Introduction to Qualitative Research”

Chapter 4 describes the philosophy of qualitative research and provides examples of how it is used in nursing research. Understanding the basic principles of quantitative and qualitative research is necessary to effectively critique research literature.


Chapter 7, “Review of Relevant Literature”

Chapter 7 examines the process of preparing for a literature review to support research efforts.


Chapter 13, “Outcomes Research”


Moran, K., Burson, R., & Conrad, D. (2017). The doctor of nursing practice scholarly project: A framework for success (2nd ed.). Burlington, MA: Jones & Bartlett Learning.

Review Chapter 6, “Developing the Scholarly Project”


Armola, R., Bourgault, A., Halm, M., Board, R., Bucher, L., Harrington, L., & … Medina, J. (2009). AACN levels of evidence: What’s new? Critical Care Nurse, 29(4), 7073. doi: 10.4037/ccn2009969

Note: You will access this article from the Walden Library databases.

This article provides a hierarchical evidence rating system which can be used as a guide to determine the quality and level of evidence presented in different types of research studies.


Elkins, M. Y. (2010). Using PICO and the brief report to answer clinical questions. Nursing, 40(4), 5960. doi: 10.1097/01.NURSE.0000369871.07714.39

Note: You will access this article from the Walden Library databases.

The article explains how to use the PICO method to develop clinical questions.



Fineout-Overholt, E., Melnyk, B., Stillwell, S., & Williamson, K. (2010). Critical appraisal of the evidence: Part I an introduction to gathering, evaluating, and recording the evidence… fifth in a series. American Journal of Nursing, 110(7), 4752. doi: 10.1097/01.NAJ.0000383935.22721.9c

Note: You will access this article from the Walden Library databases.

This article discusses the process of rapid critical analysis of research and literature through the categorization of studies and utilization of an evaluation table.


Fineout-Overholt, E., Melnyk, B., Stillwell, S., & Williamson, K. (2010). Critical appraisal of the evidence: Part III the process of synthesis: Seeing similarities and differences across the body of evidence. American Journal of Nursing, 110(11), 4351. doi: 10.1097/01.NAJ.0000390523.99066.b5

Note: You will access this article from the Walden Library databases.

This article continues the discussion of critical analysis of evidence and concludes with how nurses can then make decisions based on a synthesis of the findings.


Nursing Library and Information Resources Cushing/Whitney Medical Library (n.d.). Levels of evidence pyramid. Retrieved from.php?content_id=11940516″ target=”_blank” rel=”nofollow noopener”>

This article discusses the use of systematic reviews in evidence-based practice and provides sources for locating this type of research article.

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