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Sourander, Andre; Jensen, Peter; Davies, Mark; Niemela, Solja; Elonheimo, Henrik; Ristkari, Terja; Helenius, Hans; Sillanmaki, Lauri; Piha, Jorma; Kumpulainen, Kirsti; Tamminen, Tuula; Moilanen, Irma; Almqvist, Fredrik – Journal of the American Academy of Child & Adolescent Psychiatry, 2007
Objective: To study associations between comorbid psychopathology and long-term outcomes in a large birth cohort sample from age 8 to early adulthood. Method: The sample included long-term outcome data on 2,556 Finnish boys born in 1981. The aim was to study the impact of early childhood psychopathology types (externalizing versus internalizing…
Descriptors: Emotional Problems, Intervention, Emotional Disturbances, Criminals

Kumpulainen, Kirsti; Rasanen, Eila; Henttonen, Irmeli; Almqvist, Fredrik; Kresanov, Kaija; And Others – Child Abuse & Neglect: The International Journal, 1998
A study assessed bullying and psychological disturbance among 5,813 elementary children in Finland. More boys than girls were found to be involved in bullying, and children involved in bullying, especially children who both bullied and were bullied, were psychologically disturbed. Bully victims were most likely to be referred for psychiatric…
Descriptors: Aggression, Antisocial Behavior, Behavior Disorders, Bullying