Traditional diagnostic systems went beyond empirical evidence on the structure of mental
health. Consequently, these diagnoses do not depict psychopathology accurately, and their …

Mental disorder classification provides a definitional framework that underlies applied
clinical and research efforts to understand, assess, predict, prevent and ameliorate the …

The applied social science literature using factor and network models continues to grow
rapidly. Most work reads like an exercise in model fitting, and falls short of theory building …

Co-occurrence of psychiatric disorders is well documented. Recent quantitative efforts have
moved toward an understanding of this phenomenon, with the general psychopathology or p …

The p-factor is a construct that is thought to explain and maybe even cause variation in all
forms of psychopathology. Since its 'discovery'in 2012, hundreds of studies have been …

Over the past 10 years, the general factor of psychopathology, p, has attracted interest and
scrutiny. We review the history of the idea that all mental disorders share something in …

Mental health research is at an important crossroads as the field seeks more reliable and
valid phenotypes to study. Dimensional approaches to quantifying mental illness operate …

We advanced several “riskier tests” of the validity of bifactor models of psychopathology,
which included that the general and specific psychopathology factors should be reliable and …

Attention-deficit/hyperactivity disorder (ADHD) is among the many syndromes in the
psychiatric nosology for which etiological signal and clinical prediction are weak. Reducing …

This paper proposes a model for developmental psychopathology that is informed by recent
research suggestive of a single model of mental health disorder (the p factor) and seeks to …