Self-Study: Comparison of Means, Part 1
Throughout the course, there will be a self-study Discussion pertaining to an important concept or topic covered within the assigned week. These Discussions are designed to give you the opportunity to collaborate with your peers and faculty, test your knowledge, ask questions, practice research analysis, and assist your peers.
You are not required to post to this forum; however, you are encouraged to post, review the posts of others, as well as answer questions and/or provide clarity and collaboration with your peers. Discussions will be graded as either Complete or Incomplete.
Resources
Be sure to review the Learning Resources before completing this activity.
Click the weekly resources link to access the resources.
· Dang, D., Dearholt, S. L., Bissett, K., Ascenzi, J., & Whalen, M. (2021).
Johns Hopkins evidence-based practice for nurses and healthcare professionals: Model & guidelines (4th ed.). Sigma Theta Tau International Honor Society of Nursing.
· Chapter 6, “Evidence of Appraisal: Research” (pp. 155–158)
· Appendix E, “Research Evidence Appraisal Tool” (pp. 298–302)
· Appendix F, “Nonresearch Evidence Appraisal Tool” (pp. 307–314)
· Appendix G, “Individual Evidence Table” (pp. 315–318)
· Salkind, N., & Frey, B. (2019).
Statistics for people who (think they) hate statistics (7th ed.). SAGE Publications.
· Chapter 12, “t(ea) for Two: Tests Between the Means of Different Groups” (pp. 236–239, 243)
· Chapter 13, “t(ea) for Two [Again]: Tests Between the Means of Related Groups” (pp. 253–256, 259)
· Niedz, B. (2024).
Comparison of means, part 1 [Video]. Walden University Canvas.
Required Resources for Topic:
t Test
· Cook, H. E., Garris, L. A., Gulum, A. H., & Steber, C. J. (2024).
Impact of SMART goals on diabetes management in a pharmacist-led telehealth clinicLinks to an external site..
Journal of Pharmacy Practice, 37(1), 54–59.
Required Resources for Topic: Paired
t Test
· DeFusco, C., Lewis, A., & Cohn, T. (2023).
Improving critical care nurses perceived self-efficacy in providing palliative care: A quasi-experimental studyLinks to an external site..
American Journal of Hospice and Palliative Medicine, 40(2), 117–121.
· Markiewicz, A., Hickman, R. L., McAndrew, N. S., & Reimer, A. (2023).
Enhancing palliative communication in the intensive care unit through simulation: A quality improvement projectLinks to an external site..
Clinical Simulation in Nursing, 77, 1–5.
To prepare:
· Read and view the Learning Resources in Doherty & Skalsky and in Dang et al. (2021) in Required Readings.
· View the video on comparison of means.
Use this Discussion to collaborate with your peers and faculty as an open office hours/ Q&A forum.
Post answers to the following:
· Interpret independent sample
t-test results and explain the relevance to the research question (Cook et al., 2024).
· Compare and contrast Cook et al. (independent samples
t test) to DeFusco et al. (2023) or Markiewicz et al. (2023) (paired
t test) results.
· How did the subjects differ in the two studies?
· Differentiate between clinical value and statistical significance.
·
For this Self-Study Discussion, you may post throughout Week 4. You are not required to post to this forum; however, you are encouraged to post, review the posts of others, as well as answer questions and/or provide clarity and collaboration with your peers. Discussions will be graded as either Complete or Incomplete.
Post answers to any or all of the following:
· Interpret independent sample t-test results and explain the relevance to the research question (Cook et al., 2024).
· Compare and contrast Cook et al. (independent samples t-test) to DeFusco et al. (2023) or Markiewicz et al. (2023) (paired t-test) results.
· How did the subjects differ in the two studies?
· Differentiate between clinical value and statistical significance.
Our interactive discussion addresses the following learning objectives:
· Interpret comparison of mean (
t-test) data in a published study
· Differentiate between dependent observations and independent observations
