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Sample Co-ordination for the Scottish Government’s Major Cross-Sectional Population Surveys

Sample Co-ordination for the Scottish Government’s Major Cross-Sectional Population Surveys. Alex Stannard, Scottish Government. Overview. Background Process Design effects Common Geography. Long Term Survey Strategy.

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Sample Co-ordination for the Scottish Government’s Major Cross-Sectional Population Surveys

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  1. Sample Co-ordination for the Scottish Government’s Major Cross-Sectional Population Surveys Alex Stannard, Scottish Government

  2. Overview • Background • Process • Design effects • Common Geography

  3. Long Term Survey Strategy • To ensure that the Scottish Government's population surveys meet key information needs while maximising the analytical potential of the data they generate, the precision of estimates and value for money. • To give full consideration to issues of survey participation, respondent burden, data quality and data security and to make recommendations that align survey practice across Government and promote good practice to other public bodies.

  4. Sample requirements

  5. Survey Design Process Identify needs Response and deadwood Design effects Effective sample sizes Target sample sizes Sample co-ordination

  6. Design effects Scottish Household Survey Estimated historic design effects Calculated for each strata then combined for each Local Authority

  7. Design effects = = =

  8. Design effects

  9. Sample co-ordination • Used Address File • Common geography

  10. Sample co-ordination Scottish Household Survey

  11. Sample co-ordination Scottish Health Survey

  12. Common geography • Mainland PSUs • SCJS – data zones • SHS – data zones • SHeS – intermediate geographies • Island PSUs • SCJS – data zones • SHeS – data zones

  13. Sample Co-ordination

  14. Plans • Surveys will go into in the field in 2012 • First data available Summer/Autumn 2013

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