Jennissen, Simone, Stefan Schumacher, Diana Rucli, Melinda Hal, András Székely, Derek de Beurs, and Ulrike Dinger. “Competency-Based Training and Assessment of Listening Skills: A Waitlist-Controlled Study in European Telephone Emergency Services”. Clinical Psychology in Europe 4, no. 4 (December 22, 2022): Article e7933. Accessed May 8, 2026. https://cpe.psychopen.eu/index.php/cpe/article/view/7933.