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DDI Specification: Current Status and Outlook

This document outlines the current status and future outlook for the DDI Specification as of 2013. It covers the completion of the 3.2 schema, revisions to field-level documentation, and the drafting of Part I content, which includes new metadata objects and significant changes. It highlights the public review process, feedback received, and ongoing work in areas such as data elements, quality assurance, and geography. The upcoming steps towards a formal release for public review are also detailed, indicating a collaborative effort to enhance the specification's usability and functionality.

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DDI Specification: Current Status and Outlook

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  1. DDI Specification: Current Status and Outlook Wendy Thomas Arofan Gregory NADDI 2013

  2. 3.2 Public Review • 3.2 schema complete and in subversion site branches/proposed3.2/schema • Field level documentation has been revised throughout and is available as HTML • Spreadsheet with change information including incompatibility and process for transformation • Completing the draft of Part I content for new metadata objects and major changes • Formal release for public review when above complete • Full Part I and Part II not be finalized at the time of publication

  3. Changes in 3.2 • Consistency review • Bugs • New content • Identification / Reference

  4. Consistency Review • Name clash • Cardinality • Code Value expansion • Language • Structure of XxxGroup • Standard Scheme structures • New schemes (Processing Events, Processing Instructions)

  5. Bugs • Data Relationship / Relationship • Organization Scheme • Geographic Structure / Location • Make truly reusable • Improve operability • Statistics • Code (CodeList) – Identifiable Code

  6. Bugs - Questions • Multiple Question only semi-functional • Lack of workable question grid • Lack of question block • Lack of ability to group questions for management purposes • Lack of reusable response domains

  7. New materials • Delineations • Reusable descriptions for use by response domain and value representation • Missing values descriptions • Data Element

  8. Beta versions • Sampling methodology • Sampling frames • Activity portion of Questionnaire Development

  9. Identification / Reference • Requiring minimal content for full identification • Declare scope of uniqueness (Agency | Maintainable) • Options for URN structure (Canonical | Deprecated) • Clarification of Administrative and Payload metadata

  10. Where we’re at • The Public Review started at the end of January and was extended through the end of March • 74 comments were received, there were some issue areas which are being addressed in depth plus 26 comments which have been dealt with • Final specification release for vote • Short review • Vote

  11. Issue areas being discussed • Currently working with concerned users on the following areas: • Data Element – fine tuning • Quality – review and clarification • Questions – fine tuning • Delineations – simplification • Geography – fine tuning • Organization/Individual – fine tuning

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