requirements of research designs using real people, i.e., the clinical trials

In last week’s discussion, we looked at types of research designs. This week, we will look at requirements of designs using real people, i.e., the clinical trials. Office for Human Research Protections (OHRP) There are two types of clinical studies, i.e., clinical trials and observational studies. How do they differ and provide examples of each? Who can participate in a clinical study and what is the process to protect them from harm? Be sure in your initial response to provide at least two examples from peer reviewed literature that helps to support your position (write 5-6 sentence summaries for each article).