Innovation of diagnostics and treatment of selective mutism: towards personalized care

INTERVENTION: The intervention that is being investigated is behavioral therapy following the treatment protocol ‘Speaking in school, a matter of doing’ Wippo & Güldner, 2003). The intervention is investigated by the use of a randomized controlled trial. Participants will be randomized to either direct treatment or a waiting list control group. CONDITION: Anxiety disorders in youth, Behavioural therapy, Selective mutism ; ; PRIMARY OUTCOME: Symptoms of selective mutism in the child SECONDARY OUTCOME: Anxiety and mood problems ; ; Other psychopathology in the child ; ; Self image ; ; Quality of life ; ; Care consumption ; INCLUSION CRITERIA: Age between 4 and 18 years Selective mutism as primary diagnosis Estimated IQ of 85 and higher