OBJECTIVE To investigate the associations between the Big-Five personality traits, parental social class, maternal smoking status during pregnancy, childhood cognitive ability, education and occupation, and tobacco use in a longitudinal birth cohort study. METHOD 17,415 babies born in Great Britain in 1958 and followed up at 11, 33, and 50 years of age. Lifelong tobacco use status (ever/never...

Hormones are often conceptualized as biological markers of individual differences and have been associated with a variety behavioral indicators characteristics, such mating behavior or acquiring maintaining dominance. However, before researchers create strong theoretical models for how hormones modulate social behavior, information on dominant personality is needed. Although there some studies ...

I propose a new method of analysing personality profiles based on multiple traits. Personality profiles are regressed within individuals on prototypic profiles for personality types. To increase reliability, empirical Bayes estimates as obtained from hierarchical linear modelling (HLM) are used. The regression coefficients are interpreted as typeness, the extent to which the individual personal...

The present study aimed to elucidate dimensions of normal and abnormal personality underlying DSM-IV personality disorder (PD) symptoms in 168 adolescents referred to mental health services. Dimensions derived from the Big Five of normal personality and from Livesley's (2006) conceptualization of personality pathology were regressed on interview-based DSM-IV PD symptom counts. When examined ind...