This study explores the cultural construction of "difficult" temperament in the first 2 years of life, as well as the logistical and thematic continuity across infancy and childhood in what mothers perceive as difficult. It extends earlier work regarding older children in six cultural sites: Italy, the Netherlands, Poland, Spain, Sweden,…

This study explores parental ethnotheories of children's temperament through mothers' responses to McDevitt and Carey's Behavioral Style Questionnaire (1978) for 299 children aged 3 to 8 years and interviews with their parents, in Australia, Italy, the Netherlands, Poland, Spain, Sweden, and the United States. We first established a standardized,…

This study tested if persistent externalizing behaviour and symptoms of Attention Deficit Hyperactivity Disorder (ADHD) in childhood are associated with personality and behavioural aspects of the psychopathic personality constellation in adolescence. The target sample consisted of all 1,480 twin pairs born in Sweden between 1985 and 1986.…

A study of personality characteristics of 31 adults with Asperger syndrome found they scored significantly higher on harm avoidance and lower on self-directedness and cooperativeness on the Temperament and Character Inventory. Reward dependence and novelty seeking tended to be low. The most common temperament configurations were obsessional,…

Investigated long-term effects of infant temperament on problem behavior and cognitive abilities at age 5 years, taking into account interactions between infant temperament and biological and social risk. Found that when high scores on temperamental factors are combined with social or biological risk, the level of later behavioral problems is…