Optimism and pessimism in the general population: Psychometric properties of the Life Orientation Test (LOT-R)

a Department of Medical Psychology and Medical Sociology, University of Leipzig, Germany b Department of Psychiatry, University of Leipzig, Germany c Clinic for Psychosomatic Medicine and Psychotherapy, University of Mainz, Germany d Department of Applied Human Studies, University of Applied Sciences Magdeburg-Stendal, Germany e Integrated Research and Treatment Center Adiposity Diseases, Medical Psychology and Medical Sociology, Psychosomatic Medicine und Psychotherapy, University of Leipzig, Germany f Institute and Policlinic for Medical Psychology, University Medical Center Hamburg, Germany