- The 5 Whys: A problem-solving technique used in root cause analysis where a question ("Why?") is asked five times to explore cause-and-effect relationships and identify the underlying reasons behind a problem. This method helps learning engineers understand the root of an issue and address it effectively.
- Transactional Learning Record Store (LRS): A system used to store data on learning activities that have been filtered and refined from raw, noisy data to create meaningful insights into learning processes.