NR 505 Week 4 Discussion. What are the various types of sampling, along with their advantages and disadvantages? As we think about sampling and ethical practices, review these two documents on ethical issues in research:

Tuskegee syphilis study at.cdc.gov/tuskegee/”>http://www.cdc.gov/tuskegee/

An overview of questionable studies: Resnik, D. (2012). Research ethics timeline (1932-present). Retrieved from.niehs.nih.gov/research/resources/bioethics/timeline/index.cfm”>http://www.niehs.nih.gov/research/resources/bioethics/timeline/index.cfm

What are the implications of this information with respect to the recruitment of human subjects in a study related to your chosen issue?