人的性格一生中并非一成不变。许多人事隔几十年再遇到小学同学往往会发现,世事沧桑似乎已使对方变了一个人。德国近日公布的一项抽样调查分析结果从统计学角度证实了这一点。德国明斯特大学、莱比锡大学和美因茨大学的研究人员利用2005年至2009年间进行的一项涉及1.5万余名德国人的人口抽样调查数据,对参加 Human character is not static in life. Many people often encounter primary school students after decades, and they often find that the vicissitudes of life seem to have changed the other person. The results of a sample survey conducted recently by Germany confirm this statistically. Researchers at Muenster University, Leipzig University and the University of Mainz in Germany used data from a sample of more than 15,000 Germans conducted between 2005 and 2009