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Theory, Research, and Evidence-Based Practice

As they explore the world around them, young children often want to know the “why” and “how” of the things they observe. This is similar to what researchers do when they approach a new problem. Researchers develop new theories or build on old ones to explain the “why” of the world around them. They use models and conceptual frameworks to help explain “how” the processes and events they observe occur. Together, theories and models provide an understanding of the world and allow researchers to explore it in meaningful ways.

Virtually all research questions can benefit from the use of an existing theory or model. Researchers should consider their research questions and select the most suitable theory or model, which then serves as a foundation for the research design. The selection of a theory or model is an important part of the research process.

In this Discussion, you focus on the role of theory and models in research and evidence-based practice.

To prepare:

By Day 3

Post a summary of the article that you located and explain how the theory or model that you selected was used in the research study. Assess the value of basing research on an established theory or model.

Required Readings

Polit, D. F., & Beck, C. T. (2017). Nursing research: Generating and assessing evidence for nursing practice (10th ed.). Philadelphia, PA: Wolters Kluwer.

Cantrell, M. A. (2011). Demystifying the research process: Understanding a descriptive comparative research design. Pediatric Nursing, 37(4), 188–189.

Retrieved from the Walden Library databases.

This article discusses the primary aspects of a prominent quantitative research design as used in a specific research study. The author analyzes the advantages and disadvantages of the design, along with the rationale for choosing that design.

Finn, P. (2011). Critical thinking: Knowledge and skills for evidence-based practice. Language, Speech, and Hearing Services in Schools, 42(1), 69–72.

Retrieved from the Walden Library databases.

This article responds to the assertion that “rational or critical thinking is an essential complement to evidence-based practice.” The author stipulates how critical thinking is relevant to EBP, what skills and thinking dispositions are important, and how thinking can go wrong.

Tagney, J., & Haines, C. (2009). Using evidence-based practice to address gaps in nursing knowledge. British Journal of Nursing (BJN), 18(8), 484–489.

Retrieved from the Walden Library databases.

This article illuminates key barriers to undertaking and implementing nursing research. The authors suggest a framework for improving the implementation of evidence and research.

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