The data was collected in a national random-digit-dial telephone survey done between September and November 2005.
数据是在2005年9月至11月通过全国随机拨号电话调查收集的。
2
Dr Camille Ferdenzi, of the University of Geneva, and his team measured the digit ratios (the 2d: 4d ratios) of 49 men, and then presented their pictures in random order to female participants.