How to tell if you have a changeable personality according to science

Most people believe they are far more capable of changing their personality than they actually are. This is hardly surprising. Humans are deeply invested in flattering illusions about themselves. We routinely overestimate our intelligence, morality, attractiveness, and future prospects. Psychologists refer to this as the “better-than-average effect,” though “wishful narcissism” might be more precise. Unsurprisingly, personality is no exception. We like to imagine ourselves as unfinished masterpi...