1 WHAT HAVE WE LEARNED FROM CLASSIFYING PARTICIPANTS BY RACE AND ETHNICITY? A REVIEW OF THE RELATION OF RACE AND ETHNICITY TO EXTERNALIZING BEHAVIORS By EBAN J. WALTERS, M.S. Major Area Paper Submitted to the Faculty of Peabody College of Vanderbilt University in partial fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY In PSYCHOLOGY Nashville, Tennessee Approved: Date: ___________________________________ _____________________ ___________________________________ _____________________ ___________________________________ _____________________