What Does This Chart Do? Radon Exposure

A chart from Joshua Gold’s 2018 study: “The unintended impact of smoking-risk information on concerns about radon: A randomized controlled trial”

This chart, based on a brochure from the Idaho Department of Health and Human Welfare, is meant to raise awareness about radon exposure for smokers. Specifically, it’s meant to nudge them to get their homes tested for radon.

But what effect does this chart actually have?! In their 2018 study, Joshua Gold and other University of Iowa researchers showed that…