Selected Papers and Publications
- “Dangerous Ideas: Five Beliefs That Propel Groups Toward Conflict.” (2003). American Psychologist, 58, 182-192. Co-authored with J. I. Eidelson.

- “Peacemaker 101: Careers Confronting Conflict.” (2007). Philadelphia, PA: Solomon Asch Center for Study of Ethnopolitical Conflict, University of Pennsylvania. Co-edited with J. Laske & L. Cherfas.

- “Self and Nation: A Comparison of Americans' Beliefs Before and After 9/11.” (2005). Peace and Conflict: Journal of Peace Psychology, 11, 153-175. Co-authored with M. D. Plummer.

- “Revisiting Du Bois: The Relationship Between African American Double Consciousness and Beliefs About Racial and National Group Experiences.” (2005). Journal of Black Psychology, 31, 3-26. Co-authored with M. Lyubansky.

- “The Impact of September 11 on Psychologists.” (2003). Professional Psychology: Research and Practice, 34, 144-150. Co-authored with G. D’Alessio & J. I. Eidelson.

- “Complex Adaptive Systems in the Behavioral and Social Sciences.” (1997). Review of General Psychology, 1, 42-71.
