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Inter-University Consortium for Political and Social Research (ICPSR): Searching Features

Data resource covering such topics as population, economics, education, health, social and political behavior/attitudes, terrorism, history, crime, aging, and substance abuse.

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DSM Searches in Social Science Variables Database (SSVD)

Looking for search results for terminology from the Diagnostic and Statistical Manual of Mental Disorders? You can refine your search for these terms by using

Search Tips

  • Our search indexes the full documentation for a dataset, including the variable descriptions.
  • A Boolean "and" is invoked with multiple search terms; full Boolean searching is not currently available.
  • Stemming is automatic, i.e., any longer word that begins with your root term will be included in the search; do not use an asterisk.
  • Search is not case-sensitive.
  • 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 quotation marks for phrase searches; use the minus sign to remove items from results:
    "election data" -"opinion poll"
  • You can still search by study number.
  • Search terms can be anywhere in the study: title, description, variables, etc.
  • Because our holdings are large, we recommend using at least two query terms:
    rural economy
    home ownership
    higher education
    ghana adolescents
  • Keywords help delimit the breadth of results. Therefore, use as many as required to achieve your desired results:
    elementary education federal funding
  • Our search will find studies with derivative expressions of your query terms: A search for "nation"will find results containing "national"
  • Use quotes to search for an exact expression:
    "social mobility"
  • You can combine exact expressions with loose terms:
    "united states" inmates
  • Exclude results by using a MINUS sign:
    elections -sweden -germany
    will exclude swedish and german election studies
  • On the results page, you will be able to sort and filter to further refine results.

Subject Guide