Psychometric properties and local normative references of PSC-17, RCADS-25, CATS-2, SNAP-IV, MCHAT-R/F, and CAST: data from a nationwide sample in Greece
André Simioni·Konstantinos Kotsis·Κaterina Papanikolaou·Vaios Dafoulis·Nikos Zilikis·Kalliopi Triantafyllou·Ioanna Giannopoulou·C Casella·Efstathia Kapsimalli·Aspasia Serdari·Giovanni Abrahão Salum·Panagiota Balikou·Maria Basta·Lilian Athanasopoulou·Giorgos Gerostergios·Peter Szatmari·Kenneth Schuster·Rafael V. S. Bastos·Lauro Estivalete Marchionatti·Anastasia Koumoula·Julia Schäfer
Health professionals in Greece face barriers in assessing child and adolescent mental health conditions due to the lack of instruments with evidence of validity in local samples. This study addresses this gap by evaluating the psychometric properties and establishing common norms for six globally recognized mental health tools in Greece: the Child and Adolescent Trauma Screen-2 (CATS-2), Pediatric Symptoms Checklist-17 (PSC-17), Revised Children’s Anxiety and Depression Scale-25 (RCADS-25), Swan