One of Stanovich’s sub-tests, for instance, measured a trait called ‘actively open-minded thinking’, which overlaps with the concept of intellectual humility, and which also includes the ability to think about alternative perspectives. How strongly would you agree with the statement that ‘Beliefs should always be revised in response to new information or evidence’, for instance? Or ‘I like to gather many different types of evidence before I decide what to do’? He found that participants’ responses to these questions often proved to be a far better predictor of their overall rationality than
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