10th Logical Fallacies

Multiple Choice

Out of the following two arguments, which one presents a more credible argument?

• A 75-year study by Harvard found that relationships have a powerful influence on your health and longevity.

• After taking six days to contemplate my life, it is clear that relationships have a powerful influence on health.

Multiple Choice

Which statement best explains the bandwagon fallacy?

• A claim is considered true or better simply because many people believe it or do it.

• A claim is true because it is supported by scientific evidence.

• A claim is false because only a few people believe it.

• A claim is based on comparing two unrelated ideas.

Multiple Choice

McDonald's Hamburgers, over 99 billion served.

• Ad Hominem

• Appeal to Emotion

• Straw Man

• Bandwagon

Multiple Choice

What is the main problem with the reasoning in this example of hasty generalization?

• It draws a conclusion from insufficient evidence based on one similar experience.

• It compares two restaurants using a large amount of reliable data.

• It proves that all sandwiches taste the same.

• It relies on an experiment with carefully controlled variables.

Multiple Choice

I felt nauseated both times I ate pizza from Georgio’s, so I must be allergic to something in pizza.

• Hasty Generalization

• Not a Hasty Generalization

Multiple Choice

Which logical fallacy "is an argument in which a party asserts that a relatively small first step leads to a chain of related events culminating in some significant effect?"

• Slippery Slope

• Ad Hominem

• Bandwagon

Multiple Choice

If I don’t take this A.P. class, then I won’t do well on the exam. If I don’t do well on the A.P. exam, then I can’t get into a good college. If I can’t get into a good college, then I’ll never get a good job. If I can’t get a good job, then I’m going to have to live in my parents’ basement forever. Guess I’ll sign up for the A.P. class.

• hasty generalization

• ad hominem

• faulty causality

• slippery slope

​Turn to your elbow partner

​1. What was the topic?
2. What caused the topic to be lost?

Multiple Choice

In the clip, which statement is the best example of an ad hominem fallacy?

• "A lot of people died and a lot more are going to die.

• "He still hasn't acknowledged that he knew this was happening."

• "You graduated either the lowest or almost the lowest in your class. Don't ever use the word smart with me."

• "You graduated either the lowest or almost the lowest in your class. Don't ever use the word smart with me."

Multiple Choice

Which fallacy is pictured?

• Straw Man

• Ad Hominem

• Red Herring

• Bandwagon

Multiple Choice

In the Red Herring Fallacy example - Family Guy, what makes the character's response a red herring?

• The character provides strong evidence to support the argument.

• The character agrees with the original point being made.

• The character changes the subject and distracts from the original issue being discussed.

• The character uses facts and statistics to prove a claim.

Multiple Choice

Passage

The student council is discussing whether students should be allowed to use phones during class for learning activities. One student says, "We shouldn't be talking about phones right now. The cafeteria food is terrible and needs to be fixed first." Everyone begins arguing about the cafeteria instead of discussing phone use in the classroom.

How does the student's response demonstrate a red herring fallacy?

• It is a straw herring because the student misrepresents the argument about phone use.
• It is an ad hominem because the student attacks the people supporting phones in class.
• It is not a fallacy because discussing cafeteria problems directly answers the phone-use question.
• It is a red herring because the student introduces the unrelated cafeteria problem to divert attention from the question of using phones for learning.

Multiple Choice

What is the best example of the straw man reasoning used in the clip? [youtube.com]

• Instead of discussing whether smoking is unhealthy, the speaker argues that parents should have the right to make choices for their families.Instead of discussing whether smoking is unhealthy, the speaker argues that parents should have the right to make choices for their families.

• The speaker provides scientific evidence about smoking.

• The speaker admits that cigarettes are harmful and changes his position.

• The speaker compares smoking data from multiple countries.

Multiple Choice

In the clip, the speaker changes the discussion from whether cigarettes are harmful to a different argument about personal freedom and family choice. Why is this a straw man fallacy?

• Because the speaker uses statistics to support his claim.

• Because the speaker agrees with the original argument.

• Because the speaker replaces the original issue with a different argument that is easier to defend.

• Because the speaker provides too much evidence.

Multiple Choice

We cannot listen to John’s opinion on global warming because he is a tree hugger.

• ad hominem

• circular reasoning

• straw man

• red herring

Multiple Choice

Which kind of logical fallacy is this?

"If we allow the children to choose the movie this time, they are going to expect to be able to choose the school they go to or the doctors they visit."

• Bandwagon

• Ad Hominem

• Slippery Slope

Multiple Choice

Person A says, “We should have less homework.” Person B replies, “So you think students shouldn’t learn anything?” What type of logical fallacy is Person B using?

• Straw man

• Ad hominem

• Appeal to authority

• False dilemma

Poll

How confident do you feel about this topic now?

• Very confident
• Somewhat confident
• Not confident

Open Ended

Exit Ticket

Think about the topic of student behavior at school.

Write the following:

1. One Straw Man Fallacy example

2. One Ad Hominem Fallacy example

3. One Red Herring Fallacy example

4. One additional Logical Fallacy of your choice from the fallacies we learned about today

✅ Make sure each example is 2-4 sentences long and clearly shows the fallacy.