Logical Fallacies

Logical Fallacies

By Kaitlin Siler

1) Make a pamphlet to persuade a reader that YOUR chosen (snack/fast food/drink) is the best on the market

2) Use persuasive language and data to back this up!

3) Careful! There are others on the market and lawsuits. Oohh lawsuits..

GOALS

To logically validate a claim by presenting evidence to an argument.

(This has to be Ms. Siler's presentation because other teachers don't use Quizizz.)

Arguing>

The influence a readers ideas or beliefs by appealing to the ethos,logos, or pathos. (We've done those!)

​Persuasion>

Let's talk English first....

Multiple Choice

Which is an example of overgeneralization?

Kevin's grandmother does not know how to use a computer, so...

• ...Kevin teaches her how to use his Chromebook.

• ...Kevin thinks all elderly people are computer illiterate.

• ...Kevin buys her an iPad instead.

Multiple Choice

Which is an example of Slippery Slope?

Football is dangerous! If you let your son play football...

• ... he might get a concussion from a hard tackle.

• ....he runs the risk of getting injured during a game or practice.

• ...he will suffer head injury after head injury, until he can no longer walk straight or spell his own name!

Multiple Choice

Which is an example of overgeneralization?

My sister and my cousin Jill both told me today they are trying out for the soccer team. Therefore,

• ...I might try out for soccer, too.

• ...all eighth grade girls must really love soccer!

• ...soccer season must be starting soon.

Multiple Choice

Which is an example of Slippery Slope?

If you don't brush your teeth this morning...

• ...all of your teeth will fall out and no one will ever offer you a job.

• ...you will regret it halfway through the day.

• ...you will be sure to remember to brush them this evening.

Multiple Choice

Which is an example of Ad Populum?

Global warming must be a hoax...

• ...because it sounds too complicated.

• ...because so many people say they doubt it is true.

• ...because the newer theory makes more sense.

Multiple Choice

Which logical fallacy is shown in this example:

“If I let you use your phones for the last five minutes of class, you will start using them all the time… and eventually there won’t be one single student listening to the lesson!”

• Slippery Slope

• Overgeneralization

• Ad Populum

Explanation Slide...

When you think bandwagon or ad populum, think popular. Look at the word. They try to persuade you by convincing you it is popular.

Multiple Choice

Also known as bandwagon fallacy, it appeals to popularity of a practice as a way to persuade.

• ad hominem

• ad populum

Multiple Choice

States that a casual chain of events will result in an unlikely or extreme outcome.

• slippery slope

• ad populum

Multiple Choice

McDonald's Hamburgers, over 99 billion served.

• False Hope

• Appeal to Crowd

Multiple Choice

Children should not go trick or treating, as there always

exists the possibility that someone could poison the treats.

• Ad Populum

• Bandwagon Appeal

• Appeal to Fear

Multiple Choice

Michael Jordan, battery ad.

• Bandwagon Appeal

• Red Herring

• Ethos