Answer:
case study
Explanation:
Case study -
It refers to the method which involve the complete in - depth study of some specific incident or case , is referred to as case study .
It is a type of research study , adapted by various research experts for their case .
This method involves , the proper collection of data from various sources online or offline , with proper analysis of the information , and interpreting the data to get the required information .
Hence , from the given information of the question,
The correct term is case study .
