Critiquing the validity and robustness of research featured


Critiquing the validity and robustness of research featured in journal articles provides a critical foundation for engaging in evidence-based practice. In Weeks 5 and 6, you explored quantitative research designs. In Week 7, you will examine qualitative and mixed methods research designs. For this Assignment, which is due by Day 7 of Week 7, you critique a quantitative and either a qualitative or a mixed methods research study and compare the types of information obtained in each.

To prepare:

• Select a health topic of interest to you that is relevant to your current area of practice. The topic may be your Course Portfolio Project or a different topic of your choice.

• Using the Walden Library, locate two articles in scholarly journals that deal with your portfolio topic: 1) Select one article that utilizes a quantitative research design and 2) select a second article that utilizes either a qualitative OR a mixed methods design. These need to be single studies not systematic or integrative reviews (including meta-analysis and metasynthesis). You may use research articles from your reference list. If you cannot find these two types of research on your portfolio topic, you may choose another topic.

• Locate the following documents in this week's Learning Resources to access the appropriate templates, which will guide your critique of each article:

o Critique Template for a Qualitative Study
o Critique Template for a Quantitative Study
o Critique Template for a Mixed-Methods Study
Consider the fields in the templates as you review the information in each article.
Begin to draft a paper in which you analyze the two research approaches as indicated below.
Reflect on the overall value of both quantitative and qualitative research. If someone were to say to you, "Qualitative research is not real science," how would you respond?

To complete this Assignment:

• Complete the two critiques using the appropriate templates.
• Write a 2- to 3-page paper that addresses the following:

o Contrast the types of information that you gained from examining the two different research approaches in the articles that you selected.
o Describe the general advantages and disadvantages of the two research approaches featured in the articles. Use examples from the articles for support.

o Formulate a response to the claim that qualitative research is not real science. Highlight the general insights that both quantitative and qualitative studies can provide to researchers. Support your response with references to the Learning Resources and other credible sources

What is a critique? Simply stated, a critique is a critical analysis undertaken for some purpose. Nurses critique research for three main reasons: to improve their practice, to broaden their understanding, and to provide a base for the conduct of a study.

When the purpose is to improve practice, nurses must give special consideration to questions such as these:

• Are the research findings appropriate to my practice setting and situation?
• What further research or pilot studies need to be done, if any, before incorporating findings into practice to assure both safety and effectiveness?
• How might a proposed change in practice trigger changes in other aspects of practice?

To help you synthesize your learning throughout this course and prepare you to utilize research in your practice, you will be critiquing a qualitative, quantitative, or mixed-methods research study of your choice.

If the article is unavailable in a full-text version through the Walden University Library, you must e-mail the article as a PDF or Word attachment to your Instructor.

QUALITATIVE RESEARCH CRITIQUE

1. Research Issue and Purpose

What is the research question or issue of the referenced study? What is its purpose? (Sometimes ONLY the purpose is stated clearly and the question must be inferred from the introductory discussion of the purpose.)

2. Researcher Pre-understandings

Does the article include a discussion of the researcher's pre-understandings? What does the article disclose about the researcher's professional and personal perspectives on the research problem?

3. Literature Review

What is the quality of the literature review? Is the literature review current, relevant? Is there evidence that the author critiqued the literature or merely reported it without critique? Is there an integrated summary of the current knowledge base regarding the research problem, or does the literature review contain opinion or anecdotal articles without any synthesis or summary of the whole? (Sometimes the literature review is incorporated into the introductory section without being explicitly identified.)

4. Theoretical or Conceptual Framework

Is a theoretical or conceptual framework identified? If so, what is it? Is it a nursing framework or one drawn from another discipline? (Sometimes there is no explicitly identified theoretical or conceptual framework; in addition, many "nursing" research studies draw on a "borrowed" framework, e.g., stress, medical pathology, etc.)

5. Participants

Who were the participants? Is the setting or study group adequately described? Is the setting appropriate for the research question? What type of sampling strategy was used? Was it appropriate? Was the sample size adequate? Did the researcher stipulate that information redundancy was achieved?

6. Protection of Human Research Participants

What steps were taken to protect human research subjects?

7. Research Design

What was the design of the study? If the design was modeled from previous research or pilot studies, please describe.

8. Data Collection/Generation Methods

What methods were used for data collection/generation? Was triangulation used?

9. Credibility

Were the generated data credible? Explain your reasons.

10. Data Analysis

What methods were used for data analysis? What evidence was provided that the researcher's analysis was accurate and replicable?

11. Findings

What were the findings?

12. Discussion of Findings

Was the discussion of findings related to the framework? Were those the expected findings? Were they consistent with previous studies? Were serendipitous (i.e., accidental) findings described?

13. Limitations

Did the researcher report limitations of the study? (Limitations are acknowledgments of internal characteristics of the study that may help explain insignificant and other unexpected findings, and more importantly, indicate those groups to whom the findings CANNOT be generalized or applied. It is a fact that all studies must be limited in some way; not all of the issues involved in a problem situation can be studied all at once.)

14. Implications

Are the conclusions and implications drawn by the author warranted by the study findings? (Sometimes researchers will seem to ignore findings that don't confirm their expectations as they interpret the meaning of their study findings.)

15. Recommendations

Does the author offer legitimate recommendations for further research? Is the description of the study sufficiently clear and complete to allow replication of the study? (Sometimes researchers' recommendations seem to come from "left field" rather than following obviously from the discussion of findings. If a research problem is truly significant, the results need to be confirmed with additional research; in addition, if a reader wishes to design a study using a different sample or correcting flaws in the original study, a complete description is necessary.)

16. Research Utilization in Your Practice

How might this research inform your practice? Are the research findings appropriate to your practice setting and situation? What further research or pilot studies need to be done, if any, before incorporating findings into practice to assure both safety and effectiveness? How might the utilization of this research trigger changes in other aspects of practice?

Question Analysis

Identification of an answerable question encourages a more successful acquisition of information on a particular topic and drives evidence-based practice (EBP) (Davies, 2011). Polit and Beck (2012) expand on the different types of evidence-based questions: background, foreground, qualitative and quantitative. Background questions are foundational and the answers are generally located in textbooks; foreground questions are answered with the most up-to-date information; qualitative questions describe meaning and include population and situation; and quantitative questions relate to treatment effectiveness and include population, intervention, and outcome (Polit & Beck, 2012). Appropriate questions should also be feasible and consider resources, organizational buy-in, the need for external input, and clinical evaluation (Polit & Beck, 2012). My five questions are as follows:

1. What is the number one health factor related to hospital admission? Answering this question provides an understanding of a hospitalized population demographic and can be answered with research evidence.

2. What time frame is best recognized for post hospitalization follow up calls? This question seeks relevant evidence.

3. Do post hospitalization follow up calls decrease readmission rates? This question helps provided understanding of outcomes.

4. How often are patients unable to be contacted for post hospitalization follow up calls due to incorrect demographic information? This question highlights a concerning situation such as continuity of care.

5. How practical is implementation of post hospitalization telephone calls by the nurse into his/her practice? This question addresses staff working conditions.

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