I'm interested in knowing the psychological makeup of trader. Or at the very least the ones that are on Elitetrader. Here's a simple test for left/right brain dominant. There's no questions. All you got to do is look at a picture of a dancer spinning and it'll only take you a minute at most. Here's the link: http://www.perthnow.com.au/fun-games/left-brain-vs-right-brain/story-e6frg46u-1111114517613 Here's also a list of the left brain and right brain functions.: LEFT BRAIN FUNCTIONS uses logic detail oriented facts rule words and language present and past math and science can comprehend knowing acknowledges order/pattern perception knows object name reality based forms strategies practical safe RIGHT BRAIN FUNCTIONS uses feeling "big picture" oriented imagination rules symbols and images present and future philosophy & religion can "get it" (i.e. meaning) believes appreciates spatial perception knows object function fantasy based presents possibilities impetuous risk taking Which side do you think is more useful to trading? And Why?