“…One of the positive psychological resourcesis optimism, defined as the generalized and stable expectation that one's own life will see good and not bad results ( Gázquez Linares et al, 2014 , Londoño et al, 2014 , Scheier and Carver, 1985 , Szramka-Pawlak et al, 2014 ). Several studies have endeavored to ascertain the relationship between optimism and QL, and an important correlation has been reported ( Carver et al, 2010 , Mannix et al, 2009 ), which may be explained by the expectations or general cognitions of a good prognosis for the future that optimistic people exhibit, which would impact on their perception of QL.…”