The Ninth Edition of PERSONALITY THEORIES, International Edition continues to provide thorough coverage enhanced with helpful learning aids, opportunities for honing critical thinking skills, and integration of multicultural and gender-related issues. Each chapter focuses on one theory or group of theories and includes brief biographies that shed light on how the theories were formed. The author also provides criteria for evaluating each theory and cites current relevant research. A final chapter on Zen Buddhism covers a major non-Western theory of personality and serves to distinguish this program in the field.