Logical Fallacies review for NTI Day 1

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 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 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 Ad Populum?

Most of the kids on my team prefer Gatorade over Powerade. That means...

• ...I ought to buy some Gatorade for the game on Saturday.

• ...I should convince them to give Powerade a chance.

• ...Gatorade must be the best sports drink on the market.

Multiple Choice

Which logical fallacy is shown in this example:

Some teenagers in our community recently vandalized the park downtown. Teenagers are always so irresponsible and destructive!

• Slippery Slope

• Overgeneralization

• Ad Populum

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

Multiple Choice

Which logical fallacy is shown in this example:

Half the people on the jury already believe that the defendant killed her husband, and that many people can't be wrong.

• Slippery Slope

• Overgeneralization

• Ad Populum

Fill in the Blank

[Ms. Williams speaking here] Based on the vocabulary notes we took in class, you may remember another name for what this Quizizz calls the "Ad Populum" fallacy. This false logic that it's always a good idea to 'go with the crowd' can also be called the ____________ effect.

Open Ended

Think of another logical fallacy (or, error in reasoning) that we discussed in class. Describe or give an example to define it.

If you can't think of an example from class, open a new window and do some research or 'phone a friend' for help.