Cognitive Development
Since I've now got a post-doctorate degree in education, and I'm working as a teacher, I've been exposed to a lot of ideas about how we learn and how our brains work. A lot of these ideas conflict with each other, and they also conflict with the way roleplaying games handle experience and character development. There are probably ways that these various ideas can be fused together, but there are numerous ways to link these ideas together, and many textbooks discredit certain ideas while promoting the concept that match the agenda they're trying to push. It basically reminds me of the way roleplaying games handle firearms... as soon as you start trying to push for realism you'll get different "experts" who claim that different elements of the play mechanisms are accurate, and other parts aren't, and you'll find that few of these "experts" agree with one another. Similarly, by the time you start to incorporate enough elements to make a...