What’s Going on in the Study This Year?


We are currently in the process of closing out Phase IV of the project.

HPDA Exams: 13 1/2 years, 14 1/2 years, 15 1/2 years
Update Interview: 14 and 15 years of age
School Information: 8th grade and 9th grade transcripts
Home and Lab visit: 15 years of age


Temple University
Weiss Hall
1701 North 13th Street
Philadelphia, PA 19122
Phone: 215.204.0147 Fax: 215.204.2715
E-mail: psdrl@temple.edu