This book describes the origin, history, rationale, procedures, developments, models, and practical applications of the so-called Big Five factors, providing a concise but thorough insight into the Big Five model of personality and its emergence from the lexical trait approach to personality structure. This integrated text includes a critical description of the theory that provides readers with all the necessary background information. The book will be of interest to specialists in the field of personality and to applied psychologists. (PsycINFO Database Record (c) 2012 APA, all rights reserved)