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DDA and metadata handling

DDA and metadata handling. Questions Variables Study description Adresses Administrative data related to studies. DDA and metadata handling. Questions: Captured from questionnaires – manually, by cut & paste or using OCR Using an internal standard Saved as textfile

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DDA and metadata handling

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  1. DDA and metadata handling • Questions • Variables • Study description • Adresses • Administrative data related to studies

  2. DDA and metadata handling • Questions: • Captured from questionnaires – manually, by cut & paste or using OCR • Using an internal standard • Saved as textfile • Included in final codebook

  3. DDA and metadata handling • Variables • Use scripts for converting from SPSS • Extract variable descriptions from SPSS • Store codebook as OSIRIS files

  4. DDA and metadata handling • Study description • Information from acquisition form • Information acquired through processing • Documentation from researchers, e.g. publications • From study administration: • Contact address on researchers and their role • Access control • Study status

  5. DDA and metadata handling • Preservation • File system with restricted access: • OSIRIS files and original files • Relational database: • Study description • Study related administrative data • Identifier: DDAnumber = studyID

  6. DDA and metadata handling • Maintaining of variables: • Is seldom done. Requires new processing • Maintaing of study description: • Done using proprietary systems updating data in database and adding new information e.g. about new publications or related studies

  7. DDA and metadata handling • Presentation • Web databases: selection of data for the Internet • Used in the search interfaces: search catalogue, question bank and topic search • Study descriptions as prepared html-files • Codebooks as html-files and as pdf-files • Nesstar

  8. DDA and metadata handling • Software: • SAS • Proprietary applications • Many classes developed - used for several applications • Stattransfer

  9. DDA and metadata handling

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