Project Members
Principal Investigators
Beth Ann Griffin
Statistician
Education
Ph.D. in biostatistics, Harvard University; S.M. in biostatistics, Harvard University; B.A. in mathematics, University of Pennsylvania
Research Interests
Health and Wellness Promotion; Statistical Analysis Methodology; Substance Abuse Treatment; Substance Use; Substance Use Disorders
Daniel McCaffrey
Adjunct Statistician
Education
Ph.D. in statistics, North Carolina State University; B.A. in mathematics and economics, Mount Saint Mary's College
Research Interests
Adolescents; Drug Policy and Trends; Health Behaviors; Modeling and Simulation; Statistical Analysis Methodology; Teacher Effectiveness; Teachers and Teaching; Underage Substance Use; Value-Added Modeling in Education
Project Contributors
Lane F. Burgette
Statistician
Education
Ph.D. in statistics, University of Wisconsin
Research Interests
Matthew Cefalu
Director, Data Science at Disney Streaming; former Associate Statistician, RAND
Education
Ph.D. in biostatistics, Harvard University; M.S. in statistics, Texas A&M University; B.S. in applied mathematical sciences, Texas A&M University
- DC
Donna Coffman
Assistant Professor, Temple University
Education
Ph.D. in quantitative psychology, University of North Carolina; MA in psychological sciences, James Madison University; BS in psychology, James Madison University
- BV
Brian Vegetabile
Associate Statistician
Education
Ph.D. in statistics, University of California, Irvine; B.S. in aerospace engineering, Penn State University
Lynsay Ayer
Behavioral & Social Scientist
Education
Ph.D. in clinical psychology, University of Vermont; B.A. in psychology, Cornell University
Research Interests
Adolescents; Children; Families; Military Health and Health Care; Substance Use Disorders; Trauma; Violence;
- MG
Mark Godley
Lighthouse Institute
Education
Ph.D., Southern Illinois University
Additional Contributors
Who We Are
The TWANG package has been expanded, improved, and widely distributed with funding from grant 1R01DA034065 and R01DA045049 from the National Institute on Drug Abuse.