Critiquing quantitative, qualitative, or mixed methods studies

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.

  • Polit, D. F., & Beck, C. T. (2012).  Nursing research: Generating and assessing evidence for nursing practice (Laureate Education, Inc., custom ed.). Philadelphia, PA: Lippincott Williams & Wilkins.

    • Chapter 10, “Rigor and Validity in Quantitative Research”

      This chapter introduces the concept of validity in research and describes the different types of validity that must be addressed. Key threats to validity are also explored.

    • Chapter 11, “Specific Types of Quantitative Research”

      This chapter focuses on the specific types of quantitative research that can be selected. The focus is on the purpose of the research rather than the research design. These include such approaches as clinical trials, evaluation research, health services and outcomes research, needs assessments, or replication studies.

  • 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. (for review)

    The author of this article discusses the primary aspects of a prominent quantitative research design. The article examines the advantages and disadvantages of the design.

  • Schultz, L. E., Rivers, K. O., & Ratusnik, D. L. (2008). The role of external validity in evidence-based practice for rehabilitation. Rehabilitation Psychology, 53(3), 294–302.
    Retrieved from the Walden Library databases.

    This article details the results of a study that sought to balance concern for rigor with concern for relevance. The authors of the article derive and determine a rating format for relevance and apply it to cognitive rehabilitation.

  • Metheny, N. A., Davis-Jackson, J., & Stewart, B. J. (2010). Effectiveness of an aspiration risk-reduction protocol. Nursing Research, 59(1), 18–25.
    Retrieved from the Walden Library databases.

  • Padula, C. A., Hughes, C., & Baumhover, L. (2009). Impact of a nurse-driven mobility protocol on functional decline in hospitalized older adults. Journal of Nursing Care Quality, 24(4), 325–331.
    Retrieved from the Walden Library databases.

  • Yuan, S.-C., Chou, M.-C., Hwu, L.-J., Chang, Y.-O,, Hsu, W.-H., & Kuo, H.-W. (2009). An intervention program to promote health-related physical fitness in nurses. Journal of Clinical Nursing, 18(10), 1,404–1,411.
    Retrieved from the Walden Library databases.

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