Answer:
The answer is Case Study design
The study of rare or unusual phenomena is most easily done through the use of the case study design.
Step-by-step explanation:
The Case study consists of using one or more qualitative methods of gathering information and does not follow a strict line of research. It serves to answer questions that the researcher does not have much control over the phenomenon studied. The case study contributes to a better understanding of the individual phenomena, the organizational and political processes of society. It is a tool used to understand the form and motives that led to a particular decision.