To supply insight into an issue, and especially to help refine a idea. Principle is of Key relevance; the case is chosen for its possible contribution to theory. According to Yin, theoretical case scientific tests should be multiple. In line with Stake, concept may be produced from a single case. https://case-study-assignment-hel94147.fare-blog.com/39232354/ivey-case-study-solution-no-further-a-mystery