Iain Murray is repeating the lame argument made by Darrell Issa at the Waxman hearing yesterday:
The UCS mailed out over 1600 survey forms to climate scientists and based their assertions of political interference on the 297 that got returned. That's a response rate of just 19 percent. OMB guidelines clearly state that a response rate of less than 80 percent requires an investigation of potential biases and an even closer investigation for a response rate lower than 70 percent. A response rate of lower than twenty percent is clearly vulnerable to the charge of a self-selecting sample, perhaps those with an axe to grind against their bosses, the politically motivated, and so on. In short, it proivides all sorts of legitimate reasons to dismiss the survey as utterly unrepresentative.
I will say it again: The UCS found over 100 government climate scientists claiming political interference with their work or ...
