This publication comprises the Transactions of the First Conference on Training in Clinical Psychology organized by Dr. Frank Fremont-Smith of the Josiah Macy Jr. Foundation as part of a program for furthering scientific investigations. The book is composed of thirteen presentations and a number of comments and discussions presented by members of the Conference. These papers discuss many important factors and questions concerning undergraduate and graduate education and training in clinical psychology. The definition of the field, the length of the training period, the particular aims, training in psychoanalysis and other special techniques, the relationships to general medicine and to psychiatry