Report from the DDIComparative Data Group

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Report from the DDI-Comparative Data Group
THE DATA DOCUMENTATION INITIATIVE (DDI) AND
COMPARATIVE SURVEY DATA
Third International Workshop on Comparative
Survey Design and Implementation Madrid
March 10-12, 2005

• Meinhard Moschner
• Zentralarchiv für empirische Sozialforschung
• Cologne, Germany

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THE DATA DOCUMENTATION INITIATIVE (DDI) AND
COMPARATIVE SURVEY DATA

• The DDI Comparative Data Group (CDG)
• structural reform group (SRG) framework
• subgroup Comparative Data/Families of Datasets
• CESSDA archives, ICPSR, Roper Center, ZUMA,
• Established in October 2003

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THE DATA DOCUMENTATION INITIATIVE (DDI) AND
COMPARATIVE SURVEY DATA

• The scope comparative survey data
• space and time axis
• ex-ante (standard design)
• ex-post (synthetic standard)
• changing standards (over time)

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THE DATA DOCUMENTATION INITIATIVE (DDI) AND
COMPARATIVE SURVEY DATA

• Comparative processes in the data life cycle
  
• Study / survey design
• Culture specific context information (-gtanalysis)
• Instrument translation, adaptation, testing
• Data collection
• Quality control activities and measures

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THE DATA DOCUMENTATION INITIATIVE (DDI) AND
COMPARATIVE SURVEY DATA

• Comparative processes in the data life cycle
  
• Data processing
• data harmonisation (integration / cumulation)
• Data archiving (-gt dissemination -gt discovery)
• multilinguality
• controlled vocabularies (concepts, topics,
  methods)

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THE DATA DOCUMENTATION INITIATIVE (DDI) AND
COMPARATIVE SURVEY DATA

• A new perspective relations between datasets
  
• Space compound data sets (space attributes)
• Integrated data set
• Time compound data sets (time attributes)
• Cumulative data sets
• Space and time compound

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THE DATA DOCUMENTATION INITIATIVE (DDI) AND
COMPARATIVE SURVEY DATA

• CDG Tasks - summing up
• establish best practice for existing elements
• identify and define missing elements
• identify special importance of elements
• define formats of elements
• identify and define missing structures
• Develop the ddi-xml standard accordingly

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THE DATA DOCUMENTATION INITIATIVE (DDI) AND
COMPARATIVE SURVEY DATA

Peter Mohler, Rolf Uher (2002)
Documenting Comparative Surveys for
Secondary Analysis, in J. A. Harkness, F.
J. R. van de Vijver, P. Ph.Mohler
Cross Cultural Survey Methods

• Review needs and expectations of the actors
• Data producer / principal investigators
• Data provider / data archives
• End user / researcher

ddi-cdg_at_icpsr.umich.edu watteler_at_za.uni-koeln.de