FOR SURAYA ONLY

APA format 1.5 pages long with 3 references 2 from walden university library will pay 10 dollars Due Tuesday July 4 at 1800 EST

 

Discussion: Validity in Quantitative Research Designs

Validity in research refers to the extent researchers can be confident that the cause and effect they identify in their research are in fact causal relationships. If there is low validity in a study, it usually means that the research design is flawed and the results will be of little or no value. Four different aspects of validity should be considered when reviewing a research design: statistical conclusion validity, internal validity, construct validity, and external validity. In this Discussion, you consider the importance of each of these aspects in judging the validity of quantitative research.

To prepare:

  • Review the information in Chapter 10 of the course text on rigor and validity.
  • Read the method section of one of the following quasi-experimental studies (also located in this week’s Learning Resources). Identify at least one potential concern that could be raised about the study’s internal validity.
    • Metheny, N. A., Davis-Jackson, J., & Stewart, B. J. (2010). Effectiveness of an aspiration risk-reduction protocol.  Nursing Research, 59(1), 18–25.
    • 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.
    • Yuan, S., Chou, M., Hwu, L., Chang, Y., Hsu, W., & Kuo, H. (2009). An intervention program to promote health-related physical fitness in nurses.  Journal of Clinical Nursing, 18(10), 1,404–1,411.
  • Consider strategies that could be used to strengthen the study’s internal validity and how this would impact the three other types of validity.
  • Think about the consequences of an advanced practice nurse neglecting to consider the validity of a research study when reviewing the research for potential use in developing an evidence-based practice.

 

Answers

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