A definitive, authoritative and up-to-date resource for anyone interested in the theories, models and assessment methods used for understanding the many factes of Human personality and individual differences This brand new Handbook of Personality Theory and Assessment 2-Volume Set constitutes an essential resource for shaping the future of the scientific foundation of personality research, measurement, and practice. There is need for an up-to-date and international Handbook that reviews the major contemporary personality models Vol. 1 and associated psychometric measurement instruments Vol. 2 that underpin the scientific study of this important area of individual differences psychology, and in these two Handbooks this is very much achieved. Made unique by its depth and breadth the Handbooks are internationally edited and authored by Professors Gregory J. Boyle, Gerald Matthews, and Donald H.Saklofske and authored by internationally known academics, this work will be an important reference work for a host of researchers and practitioners in the fields of individual differences and personality assessment, clinical psychology, educational psychology, work and organizational psychology, health psychology and other applied fields as well. Volume 1: Personality Theories and Models. Deals with the major theoretical models underlying personality instruments and covers the following broad topics, listed by section heading: " Explanatory Models For Personality " Comprehensive Trait Models " Key Traits: Psychobiology " Key Traits: Self-Regulation And Stress " New Trait And Dynamic Trait Constructs " Applications