DSDR provides resources to demographic data producers and users, including confidentiality and disclosure review, restricted data contract development and data dissemination, a searchable index of important demography and population study data, and a catalogue of publications using data indexed. Data sets are available as SAS and SPSS files. See the ICPSR page for more details on using these data sets.
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Most of the datasets in the DSDR archive are raw data from surveys, censuses, and administrative records. They were originally gathered in research projects and for administrative purposes. DSDR preserves them because they have value for "secondary analysis" - that is, reexamining old data to address new questions or to employ new analytic methods.
Some datasets in the Archive have been used in published studies. You can see a bibliography of these studies by clicking on the "view related literature" link on each study's home page.
Some datasets are protected because there is a risk that the identity of research participants could be disclosed. These datasets are released with special protections. See restricted data and confidentiality. Datasets in which the level of disclosure risk is especially high can be examined only in a special data enclave in the ICPSR office in Ann Arbor. See enclave data.
September 13, 2010
Over the years, ICPSR has collaborated with a number of funders, including U.S. statistical agencies and foundations, to create archives organized around specific topics. These Thematic Collections and the new services created for them bring a dynamism to ICPSR from which the broader social science research community benefits. The funders provide new data, in most cases free to everyone, and this stimulates more research. The funded archives and ICPSR collaborate to build additional infrastructure for effective data use and discovery.