Inclusion criteria:  Being aged between 7 and 18 years; Currently being in inpatient or outpatient psychiatric treatment; Regularly participating in clown visits at the relevant health facility; A written consent of the child's legal guardian.  Exclusion criteria:  Potential negative impacts of clown visits or study participation on participants' health or well-being according to medical or paramedical care staff of the relevant health facility; Insufficient command of German (for self-reports only).