Scientists use direct observations, interviews, tests, and samples to collect info for his or her case studies. This info is then applied to create solutions and recommendations backed with proof. Case studies are common assignments a university student might get from their professor in pretty much any training course. https://spencerhflpz.blogdon.net/how-much-you-need-to-expect-you-ll-pay-for-a-good-case-study-analysis-50742983