Convergent and concurrent validity of the Frankfurt Complaint Questionnaire as a screener for psychosis risk

Michel, Chantal ORCID Research Department, University Hospital of Child and Adolescent Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland
Kutschal, Christine Research Department, University Hospital of Child and Adolescent Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland
Schimmelmann, Benno G. ORCID Research Department, University Hospital of Child and Adolescent Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland
Schultze-Lutter, Frauke ORCID Research Department, University Hospital of Child and Adolescent Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland