Research Sampling

Name of Class: Research Methods for the Health Sciences

Assignment:  Study Sampling

Part 1:

Read the background materials. After doing so, address the following questions in a four-page paper:

  1. The      sampling frame is arguably the most critical element of a study’s sampling      plan. Why is this so?
  2. How      might a poorly specified sampling frame forestall the research process?
  3. Are      studies that employ convenience sampling invalid? Please explain.

Part 2:

** Of the sampling methods presented in this module, which optimize external validity?  Please explain.

Length: 4 pages typed, APA format, sources cited.

Background materials/Sources:

Gentles, S. J., Charles, C., Ploeg, J., & McKibbon, K. A. (2015). Sampling in qualitative research: Insights from an overview of the methods literature. The Qualitative Report, 20(11), 1772.

Hammond, F., Malec, J. F., Nick, T., & Buschbacher, R. M. (2015). Handbook for Clinical Research: Design, Statistics, and Implementation. Part II: Statistics. Chapter 20: Types of Data. New York, NY: Demos Medical. Available via EBSCOHOST Available via EBSCOHOST.

Holman, A. (2014) Statistics Lesson 1 – Types of Data. Retrieved from

Murphy, M. P., Staffileno, B. A., & Foreman, M. D. (2018). Research for Advanced Practice Nurses. Part II. Building Blocks for Evidence. Chapter 10: Sampling Methods. Third Edition. New York, NY: Springer Publishing Company. Available via EBSCOHOST

Statistics Learning Center (2012, March 13). Sampling: Simple Random, Convenience, systematic, cluster, stratified – Statistics Help. Retrieved from