You don't use 'in case' or 'just in case' to declare that one thing will transpire because of something else occurring. You don't say, for example, 'I'll go in case he asks me'. You say 'I'll go if he asks me'. Longitudinal scientific tests include observing and examining a case https://case-study-analysis21548.pointblog.net/the-greatest-guide-to-case-study-analysis-80890661