Roper Center Public Opinion Archives

The Roper Center for Public Opinion Research is one of the world's leading archives of social science data, specializing in data from surveys of public opinion. The data held by the Roper Center range from the 1930s, when survey research was in its infancy, to the present. Most of the data are from the United States, but over 100 nations are represented.

罗珀公共舆论研究中心乃全球首屈一指的社会科学数据档案机构，专注于公共舆论调查数据的研究。该中心所藏数据始于20世纪30年代，当时调查研究尚处萌芽阶段，直至现今。其中大部分数据源自美国，但亦涵盖超过100个国家的信息。