Group‐based cognitive behavioural psychotherapy for children and adolescents with <scp>ASD</scp> : the randomized, multicentre, controlled <scp>SOSTA</scp> – net trial

Short-term ASD-specific add-on group-based psychotherapy has shown postintervention efficacy with regard to parent-rated social responsiveness predominantly in male high-functioning children and adolescents with ASD. Future studies should implement blinded standardized observational measures of peer-related social interaction.