Well-designed visual aids improve risk understanding

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A University of Oklahoma professor, Edward T. Cokely, shows that informed decision making depends on the ability to accurately evaluate and understand information about risk in a newly published study in the scientific journal Human Factors. A state-of-the-science review of the literature concludes that visual aids are beneficial for diverse people with different levels of numeracy and graph literacy. Cokely identifies five categories of practical, evidence-based guidelines for the evaluation and design of visual aids.

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