What's new with PolitiMath ? PolitiFact New Hampshire , lately the Concord Monitor's partnership with PolitiFact, gives us a doub...

We discovered a lost letter of sorts intended in response to our recent post " Fact-checking while blind, with PolitiMath ." Jon...

One of the things we would predict from biased journalists is a forgiving eye for claims for which the journalist sympathizes. Case in poi...

Late last month, we published a limited study on PolitiFact's execution of a simple math problem : calculating percentage error.  Using ...

In last Sunday's post about PolitiFact's math on uninsured Americans, we mentioned the worth of tracking PolitiFact's applicati...

An pseudonymous tipster pointed out problems with an old PolitiFact rating from 2009. PolitiFact rated President Obama "Mostly True...