« The punch line | Main | Live dynamic graphics »



There was a survey of drug use among schoolchildren in the UK about 18 months ago, the reporting of which suffered from the multiple hypothesis problem (among many others) quite badly. It was generally reported as 'cocaine use doubles among children of [age group]'. The trouble was, the survey dealt with pretty much all possible drugs, from tobacco and alcohol to solvents to heroin and cocaine. The likelihood is you're going to get an otherwise significant increase in one of those by chance, and that's the one that gets reported.

The comments to this entry are closed.


Link to Principal Analytics Prep

See our curriculum, instructors. Apply.
Kaiser Fung. Business analytics and data visualization expert. Author and Speaker.
Visit my website. Follow my Twitter. See my articles at Daily Beast, 538, HBR.

See my Youtube and Flickr.

Book Blog

Link to junkcharts

Graphics design by Amanda Lee

The Read

Keep in Touch

follow me on Twitter