NU 560 Research Methods and Evidence-Based Practice Week 2 Discussion

NU 560 Research Methods and Evidence-Based Practice Week 2 Discussion

DQ1 Review the slide presentation on reliability, validity
and trustworthiness. Describe the scientific rigor associated with quantitative
and qualitative research and the importance of reliability, validity in
quantitative research, and
trustworthiness in qualitative research. What are the differences among these
concepts? Discuss types of validity and
reliability and the components of trustworthiness. Provide some suggestions
that will improve them when conducting quantitative and qualitative research

DQ2 How do the sampling methods and sample sizes vary for
the different types of quantitative and qualitative research? Using your
research questions (qualitative and quantitative), what sampling method would
you use to conduct your study? Why? How would you determine the sample type and

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vidence-based practice (EBP) is making choices regarding patient care based on the most recent best evidence. It integrates clinical expertise with external evidence from systematic research, patient values, and therapeutic settings. To enhance patient outcomes, EBP fosters the utilization of research results, quality improvement data, and expert consensus. Identifying and addressing challenges relating to nursing care, procedures, or the profession are examples of nursing practice problems. Assessing pressure ulcers, establishing preventative measures, training employees, and designing procedures for frequent evaluation and care are examples of such issues. Problems in medical practice include with identifying, treating, and managing illnesses or medical conditions. To address nursing care problems and expand nursing knowledge, a PICOT question based on a nursing practice problem is required. This technique ensures that the research subject is relevant, connected with nursing goals, and has the potential to lead to evidence-based changes in nursing practice, policies, and recommendations. 


Melnyk, B. M., & Fineout-Overholt, E. (2018). Evidence-based practice in nursing & healthcare: A guide to best practice. Wolters Kluwer.

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