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Secondary Data

Secondary Data. Issues in use Sources of secondary data ICPSR. Using Secondary Data. Data that were collected by someone other than the researcher May be qualitative or quantitative May be contemporary or historical

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Secondary Data

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  1. Secondary Data Issues in use Sources of secondary data ICPSR

  2. Using Secondary Data • Data that were collected by someone other than the researcher • May be qualitative or quantitative • May be contemporary or historical • Examples: statistical data, news media, historical documents, artifacts, oral histories, organizational records, etc.

  3. Issues using secondary data • Validity: • Different operational definitions • Meanings of words change over time • Sources may not be scientific • Gaps in information, missing data • Subjective accounts • Reliability - sources’ accuracy may be questionable • Purpose: Data may not fit secondary researcher’s purpose

  4. Sources of statistical data • Census bureau: http://www.census.gov • Bureau of Justice Statistics: http://www.ojp.usdoj.gov/bjs/ • Any federal agency • General Social Survey: http://webapp.icpsr.umich.edu/cocoon/ICPSR-SERIES/00028.xml • CIA World Factbook • UN Demographic Yearbook • Interuniversity Consortium for Political and Social Research (icpsr): http://www.icpsr.umich.edu/

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