Thursday, September 25, 2014
It's a matter of being bad at math, it seems. Leah Libresco picks them apart.
You may have seen the New York Times‘s much shared infographic on contraception failure rates, and I’m here — statistics cop badge in hand — to tell you that it ain’t necessarily so. There are some huge methodological flaws in the way that the NYT chose to model the risk of unplanned pregnancy over ten years, and I’m explaining just how badly they went wrong at The American Conservative.