FAQ

1. When will data from the AHAA study be available for use?
Data from AHAA will be made available in multiple stages. The first release is already available through Add Health. The planned release for the remaining data is 2007.

2. How do I obtain AHAA data?
Persons interested in obtaining AHAA data files from Add Health should contact Add Health at http://www.cpc.unc.edu/projects/addhealth/data/contract, Carolina Population Center, 123 W. Franklin Street, Chapel Hill, NC 27516-2524.

3. If I use AHAA data in my study, do I need to include an acknowledgement of AHAA’s funding?
Yes. Please include this text in the acknowledgements section of any study for publication or presentation:

The AHAA study was funded by a grant from the National Institute of Child Health and Human Development under grants 01 HD40428-02 to the Population Research Center, University of Texas at Austin; Chandra Muller (PI) and from the National Science Foundation under grant REC-0126167 to the Population Research Center, University of Texas at Austin; Chandra Muller and Pedro Reyes (Co-PI). Additionally, this study uses data from Add Health, a program project designed by J. Richard Udry, Peter S. Bearman, and Kathleen Mullan Harris, and funded by a grant P01-HD31921 from the National Institute of Child Health and Human Development, with cooperative funding from 17 other agencies. Special acknowledgment is due Ronald R. Rindfuss and Barbara Entwisle for assistance in the original design. Opinions reflect those of the authors and do not necessarily reflect those of the granting agencies. Persons interested in obtaining data files from Add Health or AHAA should contact Add Health, Carolina Population Center, 123 W. Franklin Street, Chapel Hill, NC 27516-2524.

4. How does the AHAA data intersect with the Add Health surveys?
Using the AHAA data requires attention to the temporal order of survey administration relative to the academic year a course that appeared on the transcript was actually taken by a the student. Figure 1, below, illustrates these temporally ordered relationships for each Add Health grade level cohort. For more information see the AHAA & Add Health and Analytic Advice pages.