Different prioritization systems will work better for different people. The one I’ve found to be the most helpful to the widest range of people I teach is the three-prong approach outlined in the CIA training manual The Psychology of Intelligence Analysis by Richard J. Heuer. To help organize data and find the most important elements of any situation, you ask three questions: What do I know? What don’t I know? If I could get more information, what do I need to know?
