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| |
Basic Classification System
| Code: | Generation: | Description: |
| G1 | Generation One | Mothers of the teenage mothers |
| G2 | Generation Two | Teenage mothers |
| G3 | Generation Three | First born children of the teenage mothers |
| G4 | Generation Four | Grandchildren of the teenage mothers |
| SR | Surrogates | Surrogate mothers of the teenage mothers |
| FTR | Fathers | Fathers of the G3s |
| CTRL | Control Group | Classmates of the teenage mothers |
| N-G3 | Generation Three | Children of the teenage mothers (but not the first born) |
Comments or questions? Please
send them to curransr@ssc.upenn.edu.
©1997 University of Pennsylvania; Last Updated
on
June 3, 2003