What Are the Advantages and the Disadvantages of Using a Optimist Methodology
On the latter definition, people’s risk assessment is unrealistically positive when compared to an objective criterion, such as an actuarial risk assessment or actual outcomes (e.g., a grade at the end of a college course). These forms of optimism bias need to be distinguished from dispositional optimism. Dispositional optimism is conceptualized as a personality trait, which people exhibit to different degrees.
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Weinstein N.D. Unrealistic optimism about future life events. Journal of Personality and Social Psychology. 1980