Since the second edition of this authoritative text was published in 2002, the research base supporting the Five-Factor Model (FFM) of personality disorder has

The Five Factor Model, which measures individual differences on extraversion, agreeableness, conscientiousness, emotional stability, and openness to experience,

Personology is the study of human character in all of its complexities, covering the range of normal and pathological individuals, from evolutionary development

The volume opens with a historical overview of more than 60 years of research on the classification of personality traits. Subsequent chapters focus on theoreti

Personality traits are enduring dispositional tendencies commonly defined as "dimensions of individual differences in tendencies to show consistent patterns of