1. SPSS to DDI 3.0 Prepared for IASSIST 2006 Workshop –
Hand’s-on DDI 3.0 – Concept, Structure, and Tools
23 May 2006
Wendy Thomas – University of Minnesota

2. Process Identifying where things in SPSS go in DDI 3.0
Some minor calculations
Tracking ID’s
Walk-through

3. Logical Product Capture the variables Capture the categories
Create the category groups
Assemble the variables
Dealing with “empty” variables
Retaining the variable IDs and their associated names
Example

4. Physical Data Product Gross Record structure information
Linking to variables
Calculating the width
Example

5. Physical Instance
The only piece of information found in the SPSS file will be the name of the data file
Good news is that if you rerun the extraction with different selection criteria you only need to make another physical instance and reuse the other modules
Example

6. Overview Available information Derived information
File names
ID’s
Calculated values
Some items can be “pre-entered”
Indentifying Agency
Version number
Hand entry