DQ1 Levels of Evidence in Research-Nursing Paper Examples

Research articles that do not adhere to the standards outlined in the “Levels of Evidence in Research” and the “Criteria for Acceptable Research” documents cannot be used to support claims made in the DPI Project because they don’t meet the strict requirements for objectivity and excellence outlined in those documents. The Criteria for Acceptable Research document outlines the fundamental elements of high-quality research, such as a clear research question, appropriate sample size, valid and reliable measures, appropriate data analysis, and ethical considerations. Furthermore, the Levels of Evidence in Research document offers a hierarchical structure of study designs.

 Levels of Evidence in Research
Levels of Evidence in Research

Primary research articles are original research studies that generate new data and information. Consequently, two primary research articles that demonstrate support for a proposed nursing practice problem. In addition, meet the criteria for acceptable research. Firstly, Maloney, J., Moriarty, H., & Maguire et al., 2019), ‘The effectiveness of mindfulness-based stress reduction on nurse stress and burnout’. Hence, this systematic review examines the effectiveness of mindfulness-based stress reduction on nurse stress and burnout.

The study meets the criteria for acceptable research as it has a clear research question, an appropriate sample size, and a thorough literature search. The study also uses validated measures and appropriate statistical analysis. Furthermore, this systematic review provides high-quality evidence to support mindfulness-based stress reduction as an effective intervention to reduce stress and burnout in nurses (Levels of Evidence in Research).

Secondly, Gaspardo et al, 2019, “Intensive care nurses’ knowledge and practice of oral care: a questionnaire survey”. Consequently, this article investigates intensive care nurses’ knowledge and practice of oral care. More so, which is a critical aspect of preventing ventilator-associated pneumonia (VAP) in critically ill patients. Furthermore, the study uses a cross-sectional design and a self-administered questionnaire to collect data from 246 intensive care nurses in Brazil. Subsequently, the results show that the nurses had inadequate knowledge and practice of oral care. Moreover, which highlights the need for educational interventions to improve their competence in this area.

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This article is considered a primary research article because it uses original data to answer a research question and reports its findings in a structured format. It supports the nursing practice problem of improving oral care practices among intensive care nurses to prevent VAP (Levels of Evidence in Research).


Gaspardo, C. M., Fugulin, F. M. T., & Cassiani, S. H. D. B. (2019). Intensive care nurses’ knowledge and practice of oral care: a questionnaire survey. BMC Nursing, 18(1), 1-9. doi: 10.1186/s12912-019-0369-9

Maloney, J., Moriarty, H., & Maguire, L. (2019). The effectiveness of mindfulness-based stress reduction on nurse stress and burnout: A systematic review. Journal of Nursing Education and Practice,            9(5), 91-102. doi:10.5430/jnep.v9n5p91

Reply 1 (Levels of Evidence in Research)

Thank you for sharing your thoughts on using high-quality evidence for a doctoral project. I completely agree with you that using reliable and credible sources is crucial for the success of any research project. It is great to see that you have applied the knowledge gained from your recent training on evaluating sources and have found primary sources of high-level evidence for your DPI project.

I appreciate your detailed explanation of the two articles you chose to support your project and their levels of evidence. You have carefully considered these studies’ research design and methodology before selecting them as suitable sources of evidence (Chen et al., 2019). Your dedication to continuously improving your research skills and knowledge is admirable. I am confident that with this mindset, you will find additional valuable sources to support your DPI project (Levels of Evidence in Research) .

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Chen, Y., Hua, F., Mei, Y., Thiruvenkatachari, B., Riley, P., & He, H. (2019). The characteristics and level of evidence of clinical studies published in 5 leading orthodontic journals. Journal of Evidence-Based Dental Practice19(3), 273-282.

Reply 2

I agree that adhering to strict standards is crucial to ensure the credibility of the research. Randomized controlled trials are considered the gold standard of research as they eliminate bias and confounding variables, leading to more reliable and valid results. It is commendable that you have identified the levels of evidence required to implement your DPI project effectively (Levels of Evidence in Research).

The studies you have chosen to support your project are primary research, meaning that they are original studies that directly report the researcher’s findings. Simoneau et al.’s study showed that a school nurse-led asthma program improved school attendance for asthma students. Young et al.’s study utilized a multi-level approach, including the school nurse, to address chronic absenteeism and found that it was a cost-effective method (Melnyk & Fineout-Overholt, 2022). Both studies demonstrated the effectiveness of involving school nurses in addressing health-related absenteeism, making them valuable resources for your project.

It is worth noting that while primary research is valuable, it is also important to consider systematic reviews and meta-analyses, which compile and analyze the results of multiple studies to provide a comprehensive summary of the evidence. Systematic reviews and meta-analyses are considered the highest level of evidence and can provide more robust and reliable findings (Levels of Evidence in Research).


Melnyk, B. M., & Fineout-Overholt, E. (2022). Evidence-based practice in nursing & healthcare: A guide to best practice. Lippincott Williams & Wilkins.

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