Giving Debiasing Away: Can Psychological Research on Correcting Cognitive Errors Promote Human Welfare?

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Abstract
Despite Miller's (1969) now-famous clarion call to “give psychology away” to the general public, scientific psychology has done relatively little to combat festering problems of ideological extremism and both inter- and intragroup conflict. After proposing that ideological extremism is a significant contributor to world conflict and that confirmation bias and several related biases are significant contributors to ideological extremism, we raise a crucial scientific question: Can debiasing the general public against such biases promote human welfare by tempering ideological extremism? We review the knowns and unknowns of debiasing techniques against confirmation bias, examine potential barriers to their real-world efficacy, and delineate future directions for research on debiasing. We argue that research on combating extreme confirmation bias should be among psychological science's most pressing priorities.

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