DDI-Codebook Version 2.6 Approved by Member Vote
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Jared Lyle
Apr 2, 2026, 3:50:05 PMApr 2
to Data Documentation Initiative Users Group, DDI Structural Reform Working Group., DDI Executive Board, DDI Scientific Board
Dear DDI Community,
The voting period for Version 2.6 of DDI-Codebook concluded on Tuesday, March 31. The vote passed with participation from 15 of 22 Designated Member Representatives (68% turnout). All votes cast supported the statement: “YES, the validity and usefulness of Version 2.6 has been demonstrated, and it should be accepted as part of the DDI standard.”
The voting period for Version 2.6 of DDI-Codebook concluded on Tuesday, March 31. The vote passed with participation from 15 of 22 Designated Member Representatives (68% turnout). All votes cast supported the statement: “YES, the validity and usefulness of Version 2.6 has been demonstrated, and it should be accepted as part of the DDI standard.”
About DDI-Codebook Version 2.6
DDI-Codebook is a metadata standard for defining a single study, including its variables, files, source materials, and basic study information. Version 2.6 is the next incremental update, focused on improving consistency, clarity, and interoperability without introducing disruptive changes. To learn more about what's new in Version 2.6, please see the Webinar recording (https://youtu.be/lbdUFEnDqq0) or the slides (https://doi.org/10.5281/zenodo.18850553).
DDI-Codebook is a metadata standard for defining a single study, including its variables, files, source materials, and basic study information. Version 2.6 is the next incremental update, focused on improving consistency, clarity, and interoperability without introducing disruptive changes. To learn more about what's new in Version 2.6, please see the Webinar recording (https://youtu.be/lbdUFEnDqq0) or the slides (https://doi.org/10.5281/zenodo.18850553).
Next Steps
The Technical Committee will finalize the specification for publication. A separate announcement will be shared once Version 2.6 DDI-Codebook has been formally published.
Acknowledgments
The Technical Committee will finalize the specification for publication. A separate announcement will be shared once Version 2.6 DDI-Codebook has been formally published.
Acknowledgments
Special thanks to the Technical Committee for preparing this vote and guiding the development of DDI-Codebook. This work reflects contributions from across the DDI community and is supported by DDI Alliance members.
Thank you for your continued support and contributions to advancing DDI.
Sincerely,
Jared
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