A Collection of Strange Beliefs, Amusing Deceptions, and Dangerous Delusions

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What is The Skeptic's Dictionary?

The Skeptic's Dictionary is a website and a book. Each features definitions, arguments, and essays on occult topics ranging from acupuncture to zombies, and provides a lively, commonsense trove of detailed information on things supernatural, paranormal, and pseudoscientific.

Dozens of topics in logic, perception, science, and philosophy are also covered to help explain the appeal and popularity of occult beliefs and to provide a guide for critical thinking.  » More about the SD & Reader comments on the SD

The Web site was created in 1994 - thanks to the Davis Community Network - and is still evolving. The book was published in 2003 by John Wiley & Sons, thanks in large part to literary agent Ted Weinstein and former Wiley editor Jeff Golick.

Acknowledgements

From Abracadabra to Zombies - 555 entries | View All

What's New?

See the most recent entries, updates, and reader comments. » What's New?

Sample the Skeptic's Dictionary

anchoring effect

Most important human judgments are made under conditions of uncertainty. We use heuristics, or rules of thumb, to guide us in such instances as we try to determine what belief or action has the highest probability of being the correct one in a given situation. Social psychologists such as Thomas Gilovich, Daniel Kahneman, and Amos Tversky have studied several important heuristics and discovered errors associated with their use.....>>more

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Don't Get Taken!
The book "they" don't want you to know about!

On Being Certain
I know what I know and what I know is right.

How to Think About Weird Things
How is halfway to what.

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