And I’m not talking about a hat for getting out of bed (“Bunk Bed”… geddit?) There has been a lot of research into cognitive biases in the last years and some of the results can be used to avoid provoking those biases into the wrong conclusions and actions. Check out this little, free, booklet. But remember, like all techniques, they can be used for good and bad purposes.
http://www.skepticalscience.com/Debunking-Handbook-now-freely-available-download.html