ResumoEsta pesquisa descreve a validação transcultural e as qualidades psicométricas da versão revisada do Teste de Orientação da Vida (TOV-R). Esta escala avalia o construto de otimismo, em termos de expectativas em relação a eventos futuros. O TOV-R foi submetido a uma "backtranslation", estudo piloto e análise das propriedades psicométricas. Participaram desta pesquisa 396 estudantes universitários, que responderam ao TPV e ao Inventário de Depressão de Beck. Após 30 dias, uma sub-amostra aleatória de 48 sujeitos foi submetida a um reteste da escala. Os resultados mostraram uma correlação positiva significativa teste-reteste (r = 0,61) e uma consistência interna adequada (α = 0,68). O grau de otimismo foi preditivo de menor presença de sintomas depressivos (r = -0,42). Uma análise fatorial exploratória indicou a presença de um único fator composto por seis itens, que explicaram 39,78% da variância. Os resultados indicaram boas qualidades psicométricas de fidedignidade e validade para a versão brasileira do TOV-R. Abstract Transcultural validation of the Life Orientation Test (LOT-R). The transcultural validation of the Revised LifeOrientation Test (LOT-R) was implemented and the psychometric properties of this test were examined in the Brazilian context. This test evaluates the construct of dispositional optimism, in terms of outcome expectancies concerning future life events. The LOT-R was first submitted to a back translation and to a pilot study in order to make its transcultural adaptation. Then, a sample of 396 university students answered this test and the Beck Depression Inventory (BDI). A retest was implemented 30 days later in a randomly selected sub-sample of 48 students. Results showed a significant test-retest correlation (r = 0,61) and good internal consistency (α = 0,68). Degree of optimism was predictive of fewer degree of depressive symptoms (r = -0,42). Exploratory factorial analysis identified one factor explaining 39,78 % of variance. The results demonstrated good psychometric properties for the Brazilian version of the LOT.
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