Teachers could get ready a case study that can then be used in lecture rooms in the form of a "training" case study (also see case system and casebook approach). By way of example, as early as 1870 at Harvard Law University, Christopher Langdell departed from the traditional lecture-and-notes approach https://alexisteedg.tokka-blog.com/31188514/5-simple-statements-about-case-study-help-explained