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Non-interventional multicenter prospective mixed study (quantitative and qualitative). Research process in 3 phases: 1. Inventory with a mixed method evaluation (quantitative survey and qualitative survey), * Step 1: quantitative survey with self-administered questionnaire offered to all patients attending psychiatric study care during the month of the assessment. * Step 2: qualitative survey of young people and caregivers. 2. Design and implementation of an intervention adapted to the needs of the field (training for caregivers and tools for young people). * Step 3: implementation of training programs for professionals based on data from phase 1 and preparation for interventions for young people. * Step 4: Interventions (interventions with young people in groups and individually). 3. Reassessment after the deployment of the intervention - Step 5: Finally, the quantitative survey of stage 1 with a self-questionnaire offered to all patients present in psychiatric care-study will be repeated during one month of the evaluation in order to measure the impact of the action taken.