Stake's work is specially influential in defining the case study approach to scientific enquiry. He has helpfully characterised three main types of case study: intrinsic, instrumental and collective[eight]. An intrinsic case study is usually undertaken to learn about a unique phenomenon. The researcher need to determine the uniqueness of https://case-study-analysis14653.blogocial.com/the-basic-principles-of-case-study-solution-67080445