Samuel A. Ball PhD

Professor of Psychiatry; Assistant Chair for Education and Career Development; Director of Research (APT Foundation BIRCWH Scholars Program); Scientific Director (Psychotherapy Development Research Center)

Departments & Organizations

Junior Faculty Training Program

Office of Student Research

DAHRSPsychiatry: Division of Substance Abuse; Substance Abuse Research; Psychotherapy Development Center; Psychology Section; Addictions, Division of; Women's Behavioral Health Research, Division of

Research Interests

Personality; Personality Disorders; Psychotherapy; Substance Abuse; Addiction Treatment; Psychodiagnosis; Homelessness; Treatment Dropout more...


  • B.A., Colgate University, 1984
  • Ph.D., University of Delaware, 1990

Selected Publications

  • Samuel DB, Miller JD, Widiger TA, Lynam DR, Pilkonis PA, Ball SA. Conceptual changes to the definition of borderline personality disorder proposed for DSM-5. Journal of Abnormal Psychology. in press.
  • Ball SA, Maccarelli LM LaPaglia DM, Ostrowski MJ. Randomized trial of dual-focused versus single-focused individual therapy for personality disorders and substance dependence. Journal of Nervous and Mental Disease, 199: 319-328, 2011.
  • Connolly AJ, Cobb-Richardson P, Ball SA. Axis I and II diagnoses among homeless drop-in center clients. Journal of Personality Disorders 22: 573-588, 2008.



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