Ralf Schwarzer

Ralf Schwarzer (born 1943) is a Psychologist. He is a professor emeritus of psychology at the Freie University of Berlin, Germany. He is known for the exploration of diverse psychological dimensions, including stress, coping mechanisms, social support, self-efficacy, well-being, positive psychology, and health behavior change. Notably, he has contributed to the field through the formulation of the Health Action Process Approach (HAPA), a theoretical framework in the realm of health behavior. Provided by Wikipedia