“…Adolescents have the tendency to underestimate the probability of occurrence of different negative events (e.g., automobile accidents, school aggression, divorce, and healthrelated problems; e.g., Arnett, 2000;Chapin & Coleman, 2012). Understanding the factors related to judgements of future evens represents an important step in making adolescents recognize their personal risk and take self-protective measures (Harris, 2007;Sparks, Harris, & Raats, Correspondence concerning this article should be addressed to Loredana R. Diaconu-Gherasim, Department of Psychology, Alexandru Ioan Cuza University,3 Toma Cozma,Iasi Romania 700554,Email: gloreda@uaic.ro 2003; Weinstein & Klein, 1996). In order to advance the literature, the first goal of this study was to explore the relationship between dispositional optimism and judgements about the likelihood of experiencing positive and negative life events on a sample of adolescents.…”