Abstract

LONDONO PEREZ, Constanza; HERNANDEZ CORTES, Lina María; ALEJO CASTANEDA, Ivonne Edith  and  PULIDO GARZON, Diana. Design and Validation of the Dispositional Optimism/Pesimism Scale-EOP. Univ. Psychol. [online]. 2013, vol.12, n.1, pp.139-155. ISSN 1657-9267.

This study's main objective was the design and validation of a scale that allowed the evaluate trend of optimistic / pessimistic in adolescents and university young. The sample consisted of 617 university students aged between 18 and 31 years, from 4 educational institutions located in two Colombian cities. The psychometric analysis showed that the scale meets the conditions of reliability and validity for use in related populations . The conclusions show differences between genders in scores of optimism and pessimism trends; the presence of unrealistically optimistic bias in adolescents and the differences in the optimistic trend according to city. Limitations of this study are discussed.

Keywords : Optimism; pessimism; optimism bias; adolescents; Psychometry; Quantitative Research; Reliability; Validity.

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