English Ralf Schwarzer Cited by user Healthexpert on 15 Aug 2020 Ralf Schwarzer (*1943) is Professor Emeritus of Psychology at the Freie Universität Berlin, Germany, and Professor of Psychology at the SWPS University of Social…
English Health action process approach Cited by user Me, Myself, and I are Here on 24 Jul 2016 The health action process approach (HAPA) is a psychological theory of health behavior change, developed by Ralf Schwarzer, Professor of Psychology at the Freie…