The Optimism Bias: " ....We wear rose-tinted glasses whether we are eight or eighty. Schoolchildren as young as nine have been reported to express optimistic expectations about their adult lives, and a survey published in 2005 revealed that older adults (ages sixty to eighty) are just as likely to see the glass half full as middle-aged adults (ages thirty-six to fifty-nine) and young adults (ages eighteen to twenty-five). Optimism is prevalent in every age group, race, and socioeconomic status. Sharot argues that one of the reasons the optimism bias is so powerful is precisely because, similar to our other biases, we’re largely unaware of its existence. Yet data clearly shows that most people overestimate their prospects for professional achievement; expect their children to be extraordinarily gifted; miscalculate their likely life span (sometimes by twenty years or more); expect to be healthier than the average person and more successful than their peers; hugely underestimate their likelihood of divorce, cancer, and unemployment...." (read more at link above)
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