https://www.cia.gov/library/center-for-the-study-of-intelligence/csi-publications/books-and-monographs/Tradecraft%20Primer-apr09.pdf CIA Tradecraft Primer - Structured Analytic Techniques
http://academictips.org/memory/index.html methods for improving memory
"First time for overview and discovery. Second time for detail and understanding. Third time for note-taking in your own words." + http://pne.people.si.umich.edu/PDF/howtoread.pdf -- general good tips, different from the "How to read a book" condensed.
http://rationalwiki.org/wiki/List_of_cognitive_biases list of cognitive biases
https://fas.org/irp/doddir/army/fm34-36/appd.htm a fascinating decision making system from the US Gov't.
- CRITICALITY, ACCESSIBILITY, RECUPERABILITY, VULNERABILITY, EFFECT, AND RECOGNIZABILITY FACTORS
- target value. This is the primary consideration in targeting. A target is critical when its destruction or damage has a significant impact on military, political, or economic operations.
- A target's recognizability is the degree to which it can be recognized by an operational element and/or intelligence collection and reconnaissance assets under varying conditions. Weather has an obvious and significant impact on visibility. Rain, snow, and ground fog may obscure observation. Road segments with sparse vegetation and adjacent high ground provide excellent conditions for good observation. Distance, light, and season must also be considered.