DDI 3.0 Examples
DDI version | Title | Description |
---|---|---|
3.0 | Simple questionnaire | Use of Question Item Type, Response Domain, and Instrument Control Construct (including entry of PreText and IfThenElse) |
3.0 | NCube | Example showing the use of the NCube Logical Product structure, NCube Physical Data Structure, and Physical Instance |
3.0 | International Standard Classification (ISCO) | |
3.0 | ICPSR metadata record | Sample online catalog record using the American National Election Study, 2004 |
3.0 | German Socio-Economic Panel (SOEP) | Example showing the grouping approach for comparable variables, description of derived variables as well as the relationship of waves and the household / person relationship |
3.0 | Geography | Use of Spatial Coverage Type |
3.0 | Survey of Three Generations of Mexican Americans, 1981-1982 Codebook | Sample variables |