DDI Lifecycle 3.3 - Final Review

The purpose of the final review is to obtain feedback on the finalization of the changes made to DDI Lifecycle 3.2 during the initial and public review. Comments are welcome on both the content and presentation structure of the documentation. The content of the change log identifies additions to and changes in the DDI Lifecycle schema.

The publication of DDI Lifecycle 3.3 also is being used to provide a broader set of documentation. 

Field Level Documentation: Found in the XML Schema package - continues the earlier HTML documentation content

High level documentation: Found as a separate related product on the DDI Alliance page (when published). Provides a RST based set of documentation for  the applied use of DDI Lifecycle focusing on which objects are used and how they relate to document a particular usage.

Model documentation: Found as a separate related product on the DDI Alliance page (when published). Generated by the new COGS production tool, presents the information objects and relationships rather than focusing on XML bindings. Uses topical approach for exploring the DDI Lifecycle content. presenting the information objects and relationships rather than focusing on XML bindings. 

Implementation Guide: Found as a separate related product on the DDI Alliance page. Covers best practices for implementing DDI Lifecycle from an implementation perspective.

New Content

• Classification management (based on GSIM/Neuchatel)
• Non-survey data collection (Measurements)
• Sampling
• Weighting
• Questionnaire Design
• Support for DDI as a Property Graph (properties on items and references)
• Quality Statement improvements (useful for Eurostat reporting)

Feedback Wanted

• New forms of documentation
• Content and organization of documentation