Mark F. Lenzenweger, PhD, is Professor of Clinical Science, Cognitive Psychology, and Behavioral Neuroscience in the Department of Psychology at the State University of New York (SUNY) at Binghamton and Adjunct Professor of Psychology in Psychiatry at the Weill Medical College of Cornell University, New York City. He also directs the Laboratory of Experimental Psychopathology at SUNY/n-/Binghamton, where he conducts research and teaches on personality disorders, schizophrenia, schizotypy, and statistical methods. John F. Clarkin, PhD, is Professor of Clinical Psychology in Psychiatry at th...