The Double-Blind Control Experiment
Posted: January 20, 2011.
Print: Edge
excerpt:
Why do half of all Americans believe in ghosts, three quarters believe in angels, a third believe in astrology, three quarters believe in Hell? Why do a quarter of all Americans and believe that the President of the United States was born outside the country and is therefore ineligible to be President? Why do more than 40 percent of Americans think the universe began after the domestication of the dog?
Let’s not give the defeatist answer and blame it all on stupidity. That’s probably part of the story, but let’s be optimistic and concentrate on something remediable: lack of training in how to think critically, and how to discount personal opinion, prejudice and anecdote, in favour of evidence. I believe that the double-blind control experiment does double duty. It is more than just an excellent research tool. It also has educational, didactic value in teaching people how to think critically. My thesis is that you needn’t actually do double-blind control experiments in order to experience an improvement in your cognitive toolkit. You only need to understand the principle, grasp why it is necessary, and revel in its elegance.








Okay, so I don’t believe in ghosts, hell, gods, angels, creation myths, astrology or Santa Claus. But there is enough evidence to be strongly skeptical of Obama’s birthplace. Sorry if I don’t swallow hook, line and sinker, the “official” story in the face of the evidence to the contrary. I’m just not a gullible person by nature. I simply don’t possess the credulity necessary to jump on the “Obama was born in Hawaii, now stop asking questions” bandwagon.
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