The iPOLL Databank at the Roper Center for Public Opinion Research is a full-text, question-level retrieval system for United States public opinion back to 1935. Through subject, word, organization, and date indexes, users can retrieve the complete question text and the percentage of respondents giving each response. iPOLL also provides study-level information including the name of the organization(s) that conducted the poll, the name of the sponsoring organization(s), the dates when the poll was conducted, the polling method used, and a full description of the sample. Major survey research organizations represented in iPOLL include The Gallup Organization, The Roper Organization, Louis Harris and Associates, the National Opinion Research Center at the University of Chicago, ABC News, CBS News, NBC News, the Los Angeles Times, The New York Times, USA Today, The Washington Post and the Associated Press, among others. (Updated daily)