Before revision: Although researchers initially conceived a three factor explanation for psychopathology generally, subsequent study provided more evidence for a single factor that is sequentially comorbid, recurrent/chronic, and exists on a continuum of severity and chronicity.
After revision: Although researchers initially conceived a three-factor explanation for psychopathology generally, subsequent study provided more evidence for a single factor that is sequentially comorbid, recurrent/chronic, and exists on a continuum of severity and chronicity.