Table 1.

Inclusion and exlusion criteria

INCLUSION CRITERIA	EXCLUSION CRITERIA
• Age between 14 and 17 years	• Clinical contraindication to participate in a group at the time of the study
• Diagnosis that includes behavioural disorder, impulsivity and/or emotional dysregulation as a symptom	• Inability to provide informed consent
• Having completed a skills training group	• Not being a good informant
• Informed consent signed by the adolescent and parent or legal guardian