Clinical Research Directory

Inclusion Criteria: * Children aged 2-7 years * Disruptive behaviors as assessed with Eyberg Child Behavior Inventory (ECBI) ≥126 for boys and ≥121 for girls (which corresponds to the 90th percentile according to Swedish norms) * Language ability equivalent to at least an average 2-year-old, defined as a vocabulary of ≥ 25 word and ability to understand simple instructions, assessed with a language screening form Exclusion Criteria: * Severe autism spectrum condition (autism level 2 or 3 or equivalent functioning) * parents who are not proficient enough in the Swedish language to complete questionnaries and receive therapy without an interpreter * Presence of severe parental psychiatric disorders such as psychosis or suicidal ideations * Ongoing severe psychosocial distress such as custody dispute.