Harvard Business Review | article illustration

Illustration for the article “Covid-19 Vaccine Trials Are a Case Study on the Challenges of Data Literacy

It is dangerously easy to misinterpret data, especially when they are reported in percentages rather than absolute numbers. The author showcases a number of dangers by focusing on the vaccine efficacy results on Covid reported in November 2020. It then shows how similar dangers can apply in business contexts and offers three main lessons for managers hoping to make good decisions using data: be wary of big data, be wary of precision, and be wary of post-addition.

Principal: Harvard Business Review
Type: article illustration
Year: 2020


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