National Survey Research Center at Renmin University of China ( NSRC) is a cross-school, interdisciplinary scientific research institute directly under Renmin University of China . NSRC’s objectives are scientific, systematic and comprehensive collecting, archiving, and mining social and economic survey data in China mainland; researching and developing survey methods and related technology ;committing large-scale research projects with great scientific and practical significance; providing empirical data support for scientific research and to governmental decision-making......