Here is an article theorizing a process for complex problem solving.
https://docs.lib.purdue.edu/cgi/viewcontent.cgi?referer=https://www.google.com/&httpsredir=1&article=1118&context=jps
Take a look and follow up with any comments. If you get a chance to read before PhiloFriday, focus on how expertise levels effect apparent complexity vs some other form of complexity. Additionally pay attention to implicit knowledge vs explicit knowledge and how sensitivity curves fit in within these definitions. I have some theories but would like unconditioned opinions brought to the table.