Commonwealth Professor of Psychology, Emeritus

Commonwealth Professor of Psychology, 2004-2019

Chair, Department of Psychology, 2008-2011

Cavalier Distinguished Teaching Professor, 1999-2001

Professor. Department of Psychology, University of Virginia, 1991-2004;
Associate Professor, 1985-1991;  Assistant Professor, 1979‑1985

Founding Director of Cognitive Science Program, 1992-2008, 2014-2019

Visiting Professor.  Department of Psychology, University of Toronto, 1985

Visiting Assistant Professor.  Department of Psychology, Wesleyan University, Middletown, Connecticut, 1976‑1979