[Group intervention with children with problematic behavior: behavioral, affective and social evolution].

: The purpose of this research is to examine the evolution of children with problematic sexual behaviour following their participation in a group treatment program. The sample was made up of 43 children (33 boys and 10 girls) with an average age of 9 years, 7 months (SD = 1.85) The evolution of the children is measured administering behavioural rating instruments, both before and after the treatment program, on multiple dimensions of problematic sexual behaviour, externalizing and internalizing problems and social skills. The actual level of the children's participation is documented. The results indicate improvement for a significant portion of the children treated, particularly for those with problematic sexual behaviour, internalizing problems and social skills. This study highlights that treatment group might be a relevant choice of treatment modality.