Testosterone, digit ratio, and abstract reasoning ability | Science News | Scoop.it
From mindblog.dericbownds.net - February 13, 2012 5:41 AM

We measure a digit ratio, abstract reasoning ability with the Raven Progressive Matrices task, and risk attitude with choice among lotteries. Low digit ratio in men is associated with higher risk taking and higher scores in abstract reasoning ability when a combined measure of risk aversion over different tasks is used.