Maintains public opinion survey results from U.S. academic, commercial, and media opinion surveys. Also includes international data.
Maintains public opinion survey results from U.S. academic, commercial, and media opinion surveys. The iPOLL full text database is organized at the question-level. Archives national public opinion surveys since 1935. Additional features include the Roper Archive Catalog that covers U.S. state polls as well as international data. Roper Express provides datasets and online data analysis. Updated daily.
Download of datasets from Roper require users to create a personal account with Roper using a PSU e-mail address.
Licensed for use by on-site patrons and current Portland State University students, faculty, and staff.