Roper Center iPoll

Roper Center iPoll是由康奈尔大学罗珀公共舆论研究中心提供的民意调查数据库。该数据库收集、保存和提供来自全球各地的民意调查数据，涵盖政治、社会、经济等多个领域。研究人员可以通过该平台获取原始调查数据、问卷设计和结果分析，支持学术研究和政策制定。Roper Center iPoll is a public opinion survey database provided by the Roper Center for Public Opinion Research at Cornell University. This database collects, preserves, and provides access to public opinion survey data from across the globe, covering multiple fields such as politics, society and economics. Researchers can obtain raw survey data, questionnaire designs and result analyses through this platform, supporting academic research and policy formulation.