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This web site provides search and browsing access to abstracts and data sets in the world's largest archive of computerized social science data. Search or browse title of study, principal investigator, words in abstract, or study number. Browse major research categories.

Features demographic research mapping tools that allow for demographic data analysis. The main goal is to visually display the demographic change that has occurd inthe U.S. since 1790 through present down to the county level.

Personal registration needed in order to access datasets.
Provided by the Roper Center for Public Opinion Research at Cornell University, Roper iPoll is the largest collection of public opinion poll data with results from 1935 to the present. Roper iPoll contains nearly 800,000 questions and over 23,000 datasets from both U.S. and international polling firms. Surveys cover any number of topics including, social issues, politics, pop culture, international affairs, science, the environment, and much more. When available, results charts, demographic crosstabs and full datasets are provided for immediate download.

Provides access to statistics and studies gathered by market researchers, trade organizations, scientific publications, and government sources on over 600 industries.

ProQuest Statistical Insight provides fast and easy access to statistical information produced by U.S. Federal agencies, States, private organizations, and major intergovernmental organizations. PQSI brings together a massive collection of statistical data in a single easy-to-use search interface, with additional features such as descriptive abstracts, detailed indexing, full-text PDFs of source documents, tables, and downloadable spreadsheets containing table data.

SAGE Research Methods supports research at all levels by providing material to guide users through every step of the research process.

SAGE Research Methods is the ultimate methods library with more than 1000 books, reference works, journal articles, and instructional videos by world-leading academics from across the social sciences, including the largest collection of qualitative methods books available online from any scholarly publisher. – Publisher

Research Methods Primary Sources is an exciting new platform that introduces humanities and social science students to the key approaches and methodologies of working with source material. Designed to be used in the classroom or for independent study, this resource will empower students to engage with primary sources and assess historical evidence with confidence.