Sampling in Quantitative Research

Sampling in Quantitative Research

Nurse A would be required to solicit a representative cohort comprising both biparental and uniparental family units, encompassing children aged 0 to 10 or 11 years. In order to ascertain the presence of a correlation among the variables of maternal stress, depression, age, and family economic resources, and their impact on a child’s socio-emotional development, Nurse A would be required to enlist a sample of considerable size. This sample should encompass a diverse array of families, encompassing children of various age groups. Nurse A would also be required to gather comprehensive data on all pertinent variables, encompassing questionnaires, interviews, and observational data (Moule et al., 2016; Polit & Beck, 2021).

Nurse B must endeavor to assemble a cohort of participants that encompasses a diverse range of ages and/or body morphologies, as the positioning of the body has the potential to exert an influence on the process of respiration. The anticipated sample size for Nurse B would presumably be of considerable magnitude, encompassing a heterogeneous assemblage of participants from various backgrounds and exhibiting diverse health statuses. Nevertheless, given the study’s narrow focus on the correlation between two variables, it becomes apparent that Nurse B would not be compelled to recruit participants to the same extent as Nurse A (Moule et al., 2016; Polit & Beck, 2021).

In the grand scheme, it can be inferred that Nurse A would necessitate a more substantial sample size than Nurse B. The reason for this disparity is that Nurse A’s study encompasses a greater number of variables than Nurse B’s study. Consequently, a larger sample size is imperative to establish credibility and substantiate the findings of Nurse A’s study. Furthermore, Nurse A must gather comprehensive data about various independent variables, including maternal stress, depression, age, and family economic resources (Moule et al., 2016; Polit & Beck, 2021). Additionally, it is equally crucial to ascertain the dependent variable, the child’s socio-emotional development. This implies that the study conducted by Nurse A necessitates a more extensive sample size in order to ascertain the statistical significance and validity of the findings.

References

Moule, P., Aveyard, H., & Goodman, M. (2016). Nursing Research: An Introduction. In Google Books. SAGE. https://www.google.com /books/edition/Nursing_Research/Yi0jDQAAQBAJ?hl=en&gbpv=1&dq=Nursing+Research&printsec=frontcover

Polit, D. F., & Beck, C. T. (2021). Nursing Research: Generating and Assessing Evidence for Nursing Practice. Wolters Kluwer.a:link {text-decoration: none;}a:visited {text-decoration: none;
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e. A sample of 250 members randomly selected from a roster of American Nurses Association members
f. 25 experts in critical care nursing, selected for their expertise and geographic distribution
g. All patients receiving treatment for asthma at a clinic over the past 12 months 5. Nurse A is planning to study the relationship between maternal stress, maternal depression, maternal age, and family economic resources on the one hand, and a child’s socioemotional development on the other, among both two-parent and single-parent families. Nurse B is planning to study the body position on patients’ respiratory functioning.

Describe the kinds of samples that the two nurses would need to recruit. Which nurse would need the larger sample? Defend your answer. 6. Read the introduction and methods section of one of the following articles. Use the guidelines in Box 13.1 of the textbook (available as a Word document in the Toolkit to critically appraise the sampling plan:
*Cronly, J., Duff, A., Riekert, K., Perry, I., Fitzgerald, A., Horgan, A., … Savage, E. (2018). Online versus paper-based screening for depression and anxiety in adults with cystic fibrosis in Ireland. BMJ Open, 8, e019305.
*King, A., Boyd, M., Raphael, D., & Jull, A. (2018). The effect of a gerontology nurse specialist for high-needs older people in the community on healthcare utilization. BMC Geriatrics, 18, 22.
• Wittenberg, E., Ferrell, B., Kanter, E., & Buller, H. (2018). Health literacy: Exploring nursing challenges to providing support and understanding. Clinical Journal of Oncology Nursing, 22, 53-61.
■C. Application Exercises
EXERCISE 1: STUDIES IN APPENDICES A, C, D, H, AND J
Which of the studies in the selected appendices of this Resource Manual (if any) used:
a. A probability sample?
b. A convenience sample? c. A quota sample?
*A link to this open-access journal article is provided in the Toolkit.
Copyright 2021 Wolters Kluwer. Polit & Beck: Resource Manual for Nursing Research: Generating and Assessing Evidence for Nursing Practice (11th ed.)