Explanatory case studies: Used to examine causation as a way to find underlying principles. Helpful for carrying out qualitative analysis to explain presumed causal one-way links. Participant observation: When the researcher serves for a participant in occasions and observes the actions and outcomes, it is known as participant observation. https://daltonkeyis.iyublog.com/29227386/how-much-you-need-to-expect-you-ll-pay-for-a-good-case-study-answers