Brain Typing?

I've heard of him before and the work he does evaluating prospects, etc. Supposedly the guy who projected Leaf to be a bust based on watching his face while throwing the ball, if I'm correct.

I don't think that what he does is terribly different from Meyers-Briggs and other brain type/personality index tests do. From the completely non-expert standpoint, it seems that you'd have to be fairly specialized in training to be able to process and react to the data those tests would give you. I know that I could administer those tests, score the results, and get the general gist of what their supposed personality index is and how it will affect them, but realistically I'm not a psychology expert and I don't think I know nearly enough to base important decisions on it. Although, maybe that's what he does in the book, learn you up so you can do those things.