Samenvatting

This study was done to investigate the effects of a treatment from Altrecht Youth on aggression control for young people between the age of 12 and 16 years old diagnosed with Oppositional Defiant Disorder or behaviour disorder not otherwise specified. Young people with this diagnose are struggling with their aggression. The clients came once a week and this was for ten weeks. After the last session there were two meetings for come back after one month and after two months.
The treatment is a combination of Psychomotor Therapy and Cognitive Behavioural Therapy, so there is a part with theory and a part with practice exercises.
To measure these effects of the treatment , there are three questionnaires used. These questionnaires were obtained before the treatment, immediately after the treatment and two months after the treatment. Also the parents and a teacher from school has got questionnaires.
The results are positive on the aggression and the social skills are improved. Also the experiences of the treatment had positive results.