Observations require the researcher observing the case in its pure environment, providing very first-hand information about the case and its context. Observations can provide knowledge that might not be revealed in interviews or documents, for instance non-verbal cues or contextual information and facts. report in 2015 notes that the https://johnnyyaboz.tinyblogging.com/top-guidelines-of-hbr-case-study-analysis-73911746