In both child and adult psychiatry, empirical evidence has now accrued to suggest that a
single dimension is able to measure a person's liability to mental disorder, comorbidity …

An important advance in understanding and defining mental disorders has been the
development of empirical approaches to map** dimensions of dysfunction and their …

Personality traits have been hypothesized to be clinically useful for diagnosis, client
conceptualization, treatment planning, as well as for predicting treatment outcomes …

Evidence indicates the existence of a superordinate factor of general psychopathology,
which has been termed p. Among the issues raised by this discovery is whether this factor …

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 …

Structural models of psychopathology provide dimensional alternatives to traditional
categorical classification systems. Competing models, such as the bifactor and correlated …

Categorical models of personality disorders have been beneficial throughout psychiatric
history, providing a mechanism for organizing and communicating research and treatment …

Much of the knowledge about the relationships among domains of psychopathology is built
on the diagnostic categories described in the Diagnostic and Statistical Manual of Mental …

Three separate and distinct literatures exist investigating general factors of psychopathology
(p factor), personality (general factor of personality, GFP), and personality disorder (g-PD) …

Eiko Fried (this issue) outlines several ways in which factor and network models do not bear
on the theories they purport to test. He argues, in turn, that there is a major inferential gap …