
The Dodo Bird Hypothesis
02/25/13 • 50 min
This episode is primarily relevant to professionals.
In this episode, R. Trent Codd, III, Ed.S. interviews Rob DeRubeis, PhD about the Dodo Bird Hypothesis. Specifically, they discuss:
- What the Dodo Bird Hypothesis is
- The history of this research literature
- Whether all psychotherapies have roughly the same outcomes and where this notion comes from
- The role of allegiance in psychotherapy research
- And, more!
ROBERT J. DERUBEIS, PhD BIOGRAPHY
Dr. DeRubeis has been on the Penn faculty since his appointment as assistant professor in 1983 after receiving his doctorate in clinical psychology from the University of Minnesota. He has served as associate dean for the Social Sciences in the School of Arts and Sciences, and director of Clinical Training in the Psychology Department’s doctoral training program in Clinical Psychology. He is currently chair of the Department of Psychology.
He has authored or co-authored more than 100 articles and book chapters on topics that center on the treatment of depression. He received the Academy of Cognitive Therapy’s Aaron T. Beck Award in 2004 for his contributions to research on cognitive therapy. His empirical research comparing the benefits of cognitive therapy and medications for severe depression, published in the American Journal of Psychiatry and the Archives of General Psychiatry, has been the subject of media reports in The Economist, The Wall Street Journal, and USA Today. In 2010 he presented a briefing to the Congressional Biomedical Research Caucus on Capitol Hill in Washington, D.C.
Research Interests and Current Projects
Dr. DeRubeis’s research focuses on the processes that cause and maintain disorders of mood, as well as the treatment processes that reduce and prevent the return of mood symptoms. The contexts for this work are randomized clinical trials in which the effects of antidepressant medications are compared with cognitive therapy in people with major depressive disorder. Along with his students and collaborators, he examines the data obtained in these trials to further an understanding of the mechanisms through which these treatments exert their effects. He also develops and refines the methods that are required for testing hypotheses with longitudinal data.
This episode is primarily relevant to professionals.
In this episode, R. Trent Codd, III, Ed.S. interviews Rob DeRubeis, PhD about the Dodo Bird Hypothesis. Specifically, they discuss:
- What the Dodo Bird Hypothesis is
- The history of this research literature
- Whether all psychotherapies have roughly the same outcomes and where this notion comes from
- The role of allegiance in psychotherapy research
- And, more!
ROBERT J. DERUBEIS, PhD BIOGRAPHY
Dr. DeRubeis has been on the Penn faculty since his appointment as assistant professor in 1983 after receiving his doctorate in clinical psychology from the University of Minnesota. He has served as associate dean for the Social Sciences in the School of Arts and Sciences, and director of Clinical Training in the Psychology Department’s doctoral training program in Clinical Psychology. He is currently chair of the Department of Psychology.
He has authored or co-authored more than 100 articles and book chapters on topics that center on the treatment of depression. He received the Academy of Cognitive Therapy’s Aaron T. Beck Award in 2004 for his contributions to research on cognitive therapy. His empirical research comparing the benefits of cognitive therapy and medications for severe depression, published in the American Journal of Psychiatry and the Archives of General Psychiatry, has been the subject of media reports in The Economist, The Wall Street Journal, and USA Today. In 2010 he presented a briefing to the Congressional Biomedical Research Caucus on Capitol Hill in Washington, D.C.
Research Interests and Current Projects
Dr. DeRubeis’s research focuses on the processes that cause and maintain disorders of mood, as well as the treatment processes that reduce and prevent the return of mood symptoms. The contexts for this work are randomized clinical trials in which the effects of antidepressant medications are compared with cognitive therapy in people with major depressive disorder. Along with his students and collaborators, he examines the data obtained in these trials to further an understanding of the mechanisms through which these treatments exert their effects. He also develops and refines the methods that are required for testing hypotheses with longitudinal data.
Previous Episode

The issue of co-morbidity in DSM-V Childhood Mental Disorders
DSM and the issue of co-morbidity in childhood mental disorders - a functional perspective and proposed solution This episode is primarily relevant to professionals and students.
In this episode, R. Trent Codd, III, Ed.S. interviews Ennio Cipani, PhD about the DSM system and it’s problem with co-morbidity. They discuss a number of things including:
- The difference between a topographic and functional approach to diagnosis and treatment
- How the functional approach might be an approach that escapes the DSM problem of co-morbidity
- His functional diagnostic system
- How an analysis of negative symptoms can have utility for a diagnostic system to discern chronic conditions
References related to this podcast:
Functional Behavioral Assessment, Diagnosis and Treatment (2nd Edition, 2011). Cipani and Schock.
The issue of co-morbidity in DSM-V Childhood Mental Disorders: A functional perspective and proposed alternative diagnostic system. (2012, May 7). CBT Radio Podcast.
ENNIO CIPANI, PhD. BIOGRAPHY
Ennio Cipani, Ph.D., a graduate of Florida State University, is a licensed psychologist
and a full professor at National University- Fresno. He has published numerous articles,
chapters, instructional materials and books (available from amazon.com, search Cipani)
including Classroom management for all teachers: Evidence-based practice (3rd edition, 2008) and Punishment on
Trial (2004). He has given many workshops and continuing education courses focusing on the effective
management of problem child behavior. Dr. Cipani has been doing in-home and
school based behavioral consultations for families and school personnel since 1982.
He has dealt with many families and a variety of behavior problems, conducting assessment
and intervention activities in homes and classrooms.
Next Episode

The Nurture Effect
Episode # 37
Running time: 1:01:37
Podcast relevance: Professionals and Consumers
In this episode, Trent Codd interviews Anthony Biglan, Ph.D. the author of The Nurture Effect: How the Science of Human Behavior Can Improve Our Lives and Our World .
Specifically, they discuss:
- how to create family, school, workplace, and community environments that nurture wellbeing
- the power a small set of core principles can have in preventing many mental health and behavioral problems
- why and how capitalism has evolved in a direction that has increased economic inequality and poverty
Biography
Anthony Biglan, Ph.D. is a Senior Scientist at Oregon Research Institute. He has been conducting research on the development and prevention of child and adolescent problem behavior for the past 30 years. His work has included studies of the risk and protective factors associated with tobacco, alcohol, and other drug use; high-risk sexual behavior; and antisocial behavior. He has conducted numerous experimental evaluations of interventions to prevent tobacco use both through school-based programs and community-wide interventions. And, he has evaluated interventions to prevent high-risk sexual behavior, antisocial behavior, and reading failure.
In recent years, his work has shifted to more comprehensive interventions that have the potential to prevent the entire range of child and adolescent problems. He and colleagues at the Center for Advanced Study in the Behavioral Sciences published a book summarizing the epidemiology, cost, etiology, prevention, and treatment of youth with multiple problems (Biglan et al., 2004). He is a former president of the Society for Prevention Research. He was a member of the Institute of Medicine Committee on Prevention, which released its report in 2009 documenting numerous evidence-based interventions that can prevent multiple problems.
To learn more about the book please visit: www.NurtureEffect.com
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