story structure

Logical fallaciesDeceptive or Clueless?

With Special Help From Flickr.com

What is a Fallacy?

An error in reasoning that

obscures or misleads the

audience

Strawman Fallacy

Attack the weakest argument (even if it isn’t representative)

Post Hoc

I never lose when I wear my lucky headband

Post Hoc

I never lose when I wear my lucky headband

Believing that B happened just because it happened after A.

When students started wearing

uniforms, WASL scores

went up; therefore, uniforms improve

WASL scores.

Slippery Slope

One thing will cause another

which will cause

another and so on

Anecdotal Fallacy

Anecdotal Fallacy

Anecdotal Fallacy

Don’t Buy that

Volvo!

Either /Or Fallacy

You’re Either with us...

...Or You’re with the

terrorists

Ad Hominem

Attack the opponent

not the Argument

Tu Quoque

Peter: "Based on the arguments I have presented, it is evident that it is morally wrong to use animals for food or clothing."

Bill: "But you are wearing a leather jacket and you have a roast beef sandwich in your hand! How can you say that using animals for food and clothing is wrong!"

Hasty Generalization

"My roommate said her philosophy class was hard, and the one I'm in is hard, too. All philosophy classes must be hard!

Circular Argument

“You can’t give me a C.  I’m an A student!”

Gambler’s Fallacy

This time I’m due for a big game!