Participant observation: Once the researcher serves being a participant in situations and observes the steps and outcomes, it is called participant observation. Descriptive case studies: Describe an intervention or phenomenon and the real-lifetime context through which it happened. It is actually helpful for illustrating sure subjects within an evaluation. https://elliottmddqy.yomoblog.com/35497494/5-tips-about-case-study-helper-you-can-use-today