Recipient of NIAAA Research Scientist Development Award (1979-1984).

Secretary, Behavior Genetics Association (1983-1986).

Fellow, Center for Advanced Study in the Behavioral Sciences, Stanford, California (1985-1986).

Faculty Scholar Medal for Outstanding Achievement, The Pennsylvania State University (1988).

President, Behavior Genetics Association (1989-1990).

Editor, Sage Series on Individual Differences and Development (1990-1998).

Distinguished Professor, The Pennsylvania State University (1991-1994).

James McKeen Cattell Sabbatical Award (1992-1993).

Fulbright Scholar Award (1992-1993).

Fogarty Senior International Fellowship (1992-1993).

American Psychological Association's Distinguished Scientist Lecturer (1993).

Secretary, American Psychological Society (1994-1996).

Evan Pugh Professor, The Pennsylvania State University (1994).

MRC Research Professorship (1994 - ).

Board of Directors, International Society for the Study of Individual Differences (1995-2001).

The British Psychological Society Fellowship (1997- ).

Foreign Honorary Member, American Academy of Arts and Sciences (2001).

Fellow, The Academy of Medical Sciences (2002).

Dobzhansky Memorial Award for a Lifetime of Outstanding Scholarship in Behavior Genetics (2002)