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- Our search indexes the full documentation for a dataset, including the variable descriptions.
- A Boolean "and" is invoked with multiple search terms.
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- You can enter a literal research question:
Do children of Asian immigrants speak English in the home more often than children of Latino immigrants? - Or just keywords:
retirement "health insurance" - Use quotes for phrase searches; use the minus sign to remove items from results:
"election data" -"opinion poll" - You can still search by study number.
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Restricted Data
ICPSR ensures respondent confidentiality within public-use versions of the datasets. The vast majority of ICPSR data holdings are public-use files with no restrictions on their access. Sometimes the protective measures taken to reduce disclosure risk would significantly degrade the research potential of the data. In these cases, ICPSR provides access to restricted use versions that retain confidential data by imposing stringent requirements for accessing them. (more)