1. A Comparative Review of Current Research Methods in Positive Psychology. (2020) Authors: Helwig, Nina; Yatesvich, Darya; Vetter, Annika C.; Wuttke, Alina M.; Schmitz, Bernhard Journal: European journal of applied positive psychology Issue: Volume 4(2020) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗