David Watson, PhD, is Andrew J. McKenna Family Professor of Psychology, University of Notre Dame. Dr. Watson is a personality psychologist with specific expertise in clinical and personality assessment. His work investigates the structure and measurement of personality, emotion, and psychopathology, as well as examining how personality traits relate to clinical disorders. The long-term goal of this work is develop comprehensive models that integrate normal-range and pathological processes into a single overarching scheme.Michael W. O'Hara, PhD, is Professor of Psychological and Brain Sciences, Starch Faculty Fellow, and Director of Clinical Training at the University of Iowa, where he has been for 36 years. He has a long history of scholarship and external support in depression, particularly in the epidemiology of perinatal depression, its consequences for mothers and children, and its prevention and treatment. He has previously served as president of the Society for Research in Psychopathology and the Marcé Society for Perinatal Mental Health.

• Preface Chapter 1: Understanding the Emotional Disorders Chapter 2: Development of the IDAS & IDAS-II Chapter 3: The Structure, Specificity and Validity of Depression Symptoms Chapter 4: Positive Mood Dysfunction in Psychopathology Chapter 5: The Nature and Structure of Bipolar Symptoms Chapter 6: Anger and Psychopathology Chapter 7: The Structure, Validity and Specificity of PTSD Symptoms Chapter 8: Anxiety Symptoms Chapter 9: The Structure, Validity and Specificity of OCD Symptoms Chapter 10: Toward a Comprehensive Symptom-Based Model of Psychopathology About the AuthorsIndex

David Watson, PhD, is Andrew J. McKenna Family Professor of Psychology, University of Notre Dame. Dr. Watson is a personality psychologist with specific expertise in clinical and personality assessment. His work investigates the structure and measurement of personality, emotion, and psychopathology, as well as examining how personality traits relate to clinical disorders. The long-term goal of this work is develop comprehensive models that integrate normal-range and pathological processes into a single overarching scheme.Michael W. O'Hara, PhD, is Professor of Psychological and Brain Sciences, Starch Faculty Fellow, and Director of Clinical Training at the University of Iowa, where he has been for 36 years. He has a long history of scholarship and external support in depression, particularly in the epidemiology of perinatal depression, its consequences for mothers and children, and its prevention and treatment. He has previously served as president of the Society for Research in Psychopathology and the Marcé Society for Perinatal Mental Health.

• Preface Chapter 1: Understanding the Emotional Disorders Chapter 2: Development of the IDAS & IDAS-II Chapter 3: The Structure, Specificity and Validity of Depression Symptoms Chapter 4: Positive Mood Dysfunction in Psychopathology Chapter 5: The Nature and Structure of Bipolar Symptoms Chapter 6: Anger and Psychopathology Chapter 7: The Structure, Validity and Specificity of PTSD Symptoms Chapter 8: Anxiety Symptoms Chapter 9: The Structure, Validity and Specificity of OCD Symptoms Chapter 10: Toward a Comprehensive Symptom-Based Model of Psychopathology About the AuthorsIndex

David Watson, PhD, is Andrew J. McKenna Family Professor of Psychology, University of Notre Dame. Dr. Watson is a personality psychologist with specific expertise in clinical and personality assessment. His work investigates the structure and measurement of personality, emotion, and psychopathology, as well as examining how personality traits relate to clinical disorders. The long-term goal of this work is develop comprehensive models that integrate normal-range and pathological processes into a single overarching scheme.Michael W. O'Hara, PhD, is Professor of Psychological and Brain Sciences, Starch Faculty Fellow, and Director of Clinical Training at the University of Iowa, where he has been for 36 years. He has a long history of scholarship and external support in depression, particularly in the epidemiology of perinatal depression, its consequences for mothers and children, and its prevention and treatment. He has previously served as president of the Society for Research in Psychopathology and the Marcé Society for Perinatal Mental Health.

• Preface Chapter 1: Understanding the Emotional Disorders Chapter 2: Development of the IDAS & IDAS-II Chapter 3: The Structure, Specificity and Validity of Depression Symptoms Chapter 4: Positive Mood Dysfunction in Psychopathology Chapter 5: The Nature and Structure of Bipolar Symptoms Chapter 6: Anger and Psychopathology Chapter 7: The Structure, Validity and Specificity of PTSD Symptoms Chapter 8: Anxiety Symptoms Chapter 9: The Structure, Validity and Specificity of OCD Symptoms Chapter 10: Toward a Comprehensive Symptom-Based Model of Psychopathology About the AuthorsIndex