Sometimes discussing alignments gets people to arguing. The D&D alignment system is just coherent enough and just applicable enough to real life to become a debatable ethical philosophical theory or psychological theory, but not complex enough to be taken seriously in academia. But, if anyone knows of a successful academic research paper or article published about the D&D alignments, I'd love to read that, especially at the graduate or post-graduate level.
@belgarathmth true neutrality is at the center of the chart. A person is true neutral when all those traits have equal influences. I think of each trait having a "pull" that moves a slider around on the chart and the more strongly you conform to a trait the stronger the "pull"
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It looks really interesting, and it's currently on discount!
Google Books has it on preview: http://books.google.com/books?id=Kr2EJHnrC4MC&printsec=frontcover#v=onepage&q&f=false
The first part of the book deals specifically with D&D alignment.
Chaotic Neutral
Lawful Evil
Chaotic Good
Lawful Neutral
Chaotic Evil