If you want to know how predisposition can affect the outcome, please read this article and you will understand what we are discussing here: "Princeton Economi

If you want to know how predisposition can affect the outcome, please read this article and you will understand what we are discussing here: "Princeton Economist Finds that Auditioning Behind Screens Helps Women Win Orchestra Positions" http://www.princeton.edu/pr/news/97/q2/0425orch.html http://www.princeton.edu/pr/news/97/q2/0425orch.html Quoted directly from the article: "The switch to blind auditions can explain between 30 percent and 55 percent of the increase in the proportion female among new hires and between 25 percent and 46 percent of the increase in the percentage female in the orchestras from 1970 to 1996," the economists write. The study notes that the surge of women in symphony orchestras has occurred despite the fact that the number of positions is highly fixed and turnover is slow.