What is the illusion of information adequacy?

AiM TLDR

How you ever wondered why people think they're right, even when they are wrong? Researchers Hunter Gehlbach, Carly D. Robinson, and Angus Fletcher just published a study that found that participants, regardless of the information they received, believed they had sufficient information to make a competent decision and felt confident in their choices. Moreover, they assumed that others would make similar decisions, demonstrating the false consensus effect.

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