Although children's school success is a parental goal in most cultures, there is wide cultural variation in the qualities that parents most wish their children to develop for that purpose. A questionnaire contained forty-one child qualities was administered to 757 parents in seven cultural communities in Australia, Italy, the Netherlands, Poland,…

Background: Although callous-unemotional (CU) traits have been associated with bullying among children and adolescents, relatively little is known about whether each of the three sub-constructs of CU traits--callous, uncaring, and unemotional--are associated with bullying when they are considered concurrently in the analysis. Objective: This study…

Working Memory (WM) has a central role in learning. It is suggested to be malleable and is considered necessary for several aspects of mathematical functioning. This study investigated whether work with an interactive computerised working memory training programme at school could affect the mathematical performance of young children. Fifty-seven…

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.…

This longitudinal study investigated the validity of the Five Factor Model of personality with Swedish children ages 2 to 15 years. Findings of item analyses showed consistently reliable irritability, conscientiousness, and positive activity factors, while internal reliability of other factors increased over time. Found that irritability and…