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M.J.C. Forgeard, M.E.P. Seligman:Seeing the glass half full: A review of the causes and consequences of optimism. In: Pratiques Psychologiques. Band18, Nr.2, 2012, S.107–120, doi:10.1016/j.prps.2012.02.002 (elsevier.com[abgerufen am 23.Oktober 2019]).
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Lise Solberg Nes, Suzanne C. Segerstrom:Dispositional Optimism and Coping: A Meta-Analytic Review. In: Personality and Social Psychology Review. Band10, Nr.3, 2006, ISSN1088-8683, S.235–251, doi:10.1207/s15327957pspr1003_3 (sagepub.com[abgerufen am 22.Oktober 2019]).
Lise Solberg Nes, Suzanne C. Segerstrom:Dispositional Optimism and Coping: A Meta-Analytic Review. In: Personality and Social Psychology Review. Band10, Nr.3, 2006, ISSN1088-8683, S.235–251, doi:10.1207/s15327957pspr1003_3 (sagepub.com[abgerufen am 22.Oktober 2019]).