how to get smarter and avoid logical fallacies course

by Brielle Hauck Jr. 3 min read

What are logical fallacies?

Logical fallacies are errors of reasoning—specific ways in which arguments fall apart due to faulty connection making. While logical fallacies may be used intentionally in certain forms of persuasive writing (e.g., in political speeches aimed at misleading an audience), fallacies tend to undermine the credibility of objective scholarly writing.

How do you avoid fallacies in writing?

It’s important to learn to recognize fallacies so that you can avoid being fooled by them. It’s also important to learn about fallacies so that you avoid making fallacious arguments yourself. This course will show you how to identify and avoid many of the fallacies that lead people astray. In this course, you will learn about fallacies.

How do you spot logical fallacies?

Mar 19, 2018 · How to avoid the sunk costs bias: Review the decisions you’ve already committed to and ask yourself if they’re really paying off the way you thought they would. If not – do something different. If you know better – do better.

What can you learn from the fallacies series?

How to get smarter: A guide to critical thinking, cognitive biases, and logical fallacies. Let’s do a quick recap of this weeks points: Beware of the Dunning-Kruger effect; Beware of Black and White thinking; Uncertainty > The illusion of knowledge; Stand on the shoulders of giants; Have lots of gurus; Footnote:

How can you avoid logical fallacies?

Here are some general tips for finding fallacies in your own arguments:Pretend you disagree with the conclusion you're defending. ... List your main points; under each one, list the evidence you have for it. ... Learn which types of fallacies you're especially prone to, and be careful to check for them in your work.More items...

What is the most effective logical fallacy?

The Top 10 Logical FallaciesStraw Man Fallacy.Begging the Question Fallacy.Ad Hominem Fallacy.Post Hoc Fallacy.Loaded Question Fallacy.False Dichotomy Fallacy.Fallacy of Equivocation.Appeal to Authority Fallacy.More items...•Aug 5, 2021

What are the 13 logical fallacies?

13 Logic Mistakes that Make Content Marketers Look IrresponsibleSlippery slope. ... Hasty generalizations. ... Post hoc ergo propter hoc (after this, therefore because of this) ... Correlation doesn't imply causation. ... Genetic fallacy. ... Begging the question. ... Circular argument. ... False dilemma.More items...•Jul 20, 2015

How can anecdotal fallacies be avoided?

Many anecdotes can be persuasive, but to avoid committing the anecdotal fallacy, keep in mind the following special considerations: Anecdotes on their own are never evidence. They only stand in to give context to scrutinized evidence. This avoids false equivalences or generalizations.Jun 11, 2015

Why should we avoid fallacies?

Fallacies prevent the opportunity for an open, two-way exchange of ideas that are required for meaningful conversations. Rather, these fallacies distract your readers with an overload of rhetorical appeals instead of using thorough reasoning. You can use logical fallacies in both written and verbal communication.

Is Gaslighting a logical fallacy?

This is called an ad hominem logical fallacy, and it's so characteristic of abuse, it's often just called 'personal abuse. ' You could even say that gaslighting is simply a veiled ad hominem attack, and that resisting makes a manipulator show their true colors.Jan 29, 2021

What is false cause fallacy?

In general, the false cause fallacy occurs when the “link between premises and conclusion depends on some imagined causal connection that probably does not exist”.May 9, 2018

Is name calling a logical fallacy?

Name-calling is a fallacy that uses emotionally loaded terms to influence an audience. Also called verbal abuse. Name-calling, says J. Vernon Jensen, is "attaching to a person, group, institution, or concept a label with a heavily derogatory connotation.Feb 19, 2020

What are the 4 types of reasoning?

Four types of reasoning will be our focus here: deductive reasoning, inductive reasoning, abductive reasoning and reasoning by analogy.

How do fallacies affect credibility?

Whether a fallacy is an error or a trick, whether it is formal or informal, its use undercuts the validity and soundness of any argument. At the same time, fallacious reasoning can damage the credibility of the speaker/writer and improperly manipulate the emotions of the audience/reader.

How do I stop an appeal to ignorance?

As a rule, the best way to avoid appealing to ignorance in your writing is to focus on the available evidence rather than what a lack of evidence might imply. For instance, rather than turning to aliens to explain the pyramids, rigorous historians build theories based on the evidence available.Dec 2, 2020

Is pathos a logical fallacy?

If we weren't allowed to use informal fallacies in our rhetoric than two of the three means of persuasion would be off limits–ethos (appeal to the speaker's character) and pathos (appeal to emotions). Both are informal logical fallacies.May 26, 2011

What are fallacies in argument?

Fallacies are arguments that suffer from one or more common but avoidable defects: equivocation, circularity, vagueness, etc. It’s important to learn about fallacies so that you can recognize them when you see them, and not be fooled by them.

Why do politicians use fallacies?

Politicians, salespeople, and children commonly use fallacies in order to get you to think whatever they want you to think. It’s important to learn to recognize fallacies so that you can avoid being fooled by them. It’s also important to learn about fallacies so that you avoid making fallacious arguments yourself.

How many students does Duke University have?

Duke University. Duke University has about 13,000 undergraduate and graduate students and a world-class faculty helping to expand the frontiers of knowledge. The university has a strong commitment to applying knowledge in service to society, both near its North Carolina campus and around the world.

Can you see lectures in audit mode?

Access to lectures and assignments depends on your type of enrollment. If you take a course in audit mode, you will be able to see most course materials for free. To access graded assignments and to earn a Certificate, you will need to purchase the Certificate experience, during or after your audit.

How many times can you take the quiz?

You will be able to retake the quiz three times every eight hours. You might not need to take more than one version of the exam if you do well enough on your first try. That is up to you.

Is ad hominem a fallacy?

Part of what makes these fallacies so common, and so difficult to avoid, is that many ad hominem arguments, and many appeals to authority, are actually not fallacies at all! Only some of them are. And figuring out which of them are fallacies is more of an art than a science.

When people thought the Earth was flat, they were wrong?

“When people thought the earth was flat, they were wrong. When people thought the earth was spherical, they were wrong. But if you think that thinking the earth is spherical is just as wrong as thinking the earth is flat, then your view is wronger than both of them put together.” – Isaac Asimov

What is an ignorant mind?

An ignorant mind is precisely not a spotless, empty vessel, but one that’s filled with the clutter of irrelevant or misleading life experiences, theories, facts, intuitions, strategies, algorithms, heuristics, metaphors, and hunches that regrettably have the look and feel of useful and accurate knowledge. ”.

What is black and white thinking?

Black and white thinking is when you tend to see things in an overly simplistic way, often as only one of two extremes – with no middle ground or grey areas. It’s also known as all or “ALL or NOTHING” thinking or splitting.

What is the Dunning Kruger effect?

The Dunning-Kruger effect in a nutshell: The less competent and intelligent you are, the more likely you are to overestimate your abilities and knowledge, and the less likely you are to perceive your incompetence, because you haven’t yet developed the knowledge and experience with which to recognize your incompetence.

What does it mean when you believe 100%?

You have a strong sense of certainty in what you believe in. As a black and white thinker, when you believe something, you believe it 100%, and you have absolutely no doubts that you’re right. In fact, not only do you think you’re right – you KNOW you’re right – and anyone who disagrees with you is DEFINITELY WRONG!

What are logic fallacies?

Logic fallacies are errors in reasoning or connecting ideas. As a writer, you should avoid these logical errors in your own writing, and watch for them in the opinions and arguments of others—especially when you are doing research. Common fallacies include:

Why are there not enough parking spaces?

There are not enough parking spaces because there are too many cars. Ideological reasoning is the use of cultural, religious, or moral values and beliefs to prove a position. While there is nothing wrong with making personal judgments, you should be aware that your audience might not share your ideological views.

What is a straw man argument?

A straw man argument is when you create a false analogy, and then destroy that analogy. “Meat is not murder” is an example of a straw man argument. Eating meat is still killing another creature for food. Merely because it isn’t killing one of your own kind doesn’t make it less of a slaughter. It merely means most of the human race is on board with ignoring the bloodshed. To say one thing is like another when that isn’t entirely true – comparing people to Hitler or groups to the Nazis are prime examples of this – is the Straw Man at work.

What does the slippery slope assume?

And then all the laws will disappear.” Like a Straw Man where correlation and causation have been mixed up, the slippery slope assumes that Q must eventually follow A, B, and C. Only true causation can force one thing to follow another. A, B, and C might lead up to Q, but only if you want the sequence to go that way.

Why don't we believe in the Dharma?

“Why not believe in the Dharma? No one knows it doesn’t work.” Common in religion, this wrongheaded approach says that no one knows the answer, which makes any answer as good as any other. Not knowing about God or Hell or aliens doesn’t mean any of the above are or are not true. Pointing at nothing and saying it means something is nothing short of insane. Yet, we do it all the time.

What is automatic attack?

That’s completely false. Even a completely “wrong” person can make a valid point. Automatically attacking someone , rather than the idea they present, shows you can’t counteract their idea.

What happens at the same time?

Many things happen all at the same time. Sometimes one thing causes another. It snows, and the ground gets wet. That’s one thing causing another. However, assuming that one thing leads to another isn’t always correct, which is where superstition comes from. Think of sports fanatics who believe they must wear a jersey, must eat out of a bowl, must perform a ritual or their team will lose. It’s controlled madness to say that the Seahawks’ terrible performance was the fault of Jimmy who didn’t drink out of the right side of the glass.

What is a red herring?

AKA a Red Herring, this is when you throw a spanner into the works to derail an argument. The goal is to distract or change the narrative, since you’re unable to make your point. Quick subject changes such as “Forget about our issues. Look at Dave and Shelia! Those people are really a mess!” stops a fight and redirects it. Hoping no one will notice.

Is the drug saving lives a mistake?

A pretty simple mistake, this is when we pretend the bad things that don’t support our argument don’t exist. “The drug saves lives!” might be true, but if it’s only saving a single person while making hundreds of others extremely sick, it’s still not good. You’re speaking partial truths with this one, which is another name for it.

How to identify logical fallacies?

To spot logical fallacies, you need a basic understanding of how an argument works. In logic, an argument is a set of statements where one statement is inferred from the other (or others). There are two types of statements: 1 Premises are statements offered to provide evidence for the conclusion of an argument. 2 Conclusions are statements that are inferred from the evidence provided.

What is logical fallacy?

Logical fallacies are arguments that may sound convincing, but are based on faulty logic and are therefore invalid. They may result from innocent errors in reasoning, or be used deliberately to mislead others. Taking logical fallacies at face value can lead you to make poor decisions based on unsound arguments.

Why is it important to discern a valid argument from a false one?

The ability to discern a valid argument from a false one is an important skill. It's a key aspect of critical thinking , and it can help you to avoid falling prey to fake news . If you're taken in by a logical fallacy, false conclusions might cause you to make decisions that you later regret.

What is an expert source?

This is where you rely on an "expert" source to form the basis of your argument. In the passage at the start of this article, the apparently expert source is "a famous academic." Mentioning an academic tends to imply authority and expertise, and that your argument is backed up by rigorous research. The effect is even stronger when you use a real name.

What is false induction?

A false induction is often called a "non sequitur," which translates from Latin as "it does not follow." This fallacy gets you to infer a causal relationship where none is evident. Just because something happened before something else does not mean that there is a logical, causal link between the two.

What is the slippery slope argument?

The slippery slope argument relies on making you think that the worst that can happen will actually happen, if you take a particular course of action. Of course, this is not necessarily the case.

What is the appeal to tradition fallacy?

Here the argument centers on something that has "always" been done, or that is a widely accepted practice. For instance, "We've always hired the CEO from among the ranks. If we look outside there will be too much disagreement and discord."

What is circular reasoning?

Circular reasoning uses its own premise for a conclusion. By starting with the conclusion, the argument has not actually proven anything. (This form is also called a tautology, which is Greek for “the same words.”) During war, Republican presidents lead better than Democrats.

Is the Democratic Party a Republican party?

The Democratic Party stems from the Democratic-Republican Party of Jefferson in the early 1800s. As a result, Democrats are really Republicans. (This statement ignores the long evolution of both parties.) Inconsistent criteria occur when what is required in one case is not required in another.

Ad Hominem

Arguing from Authority

Ad Baculum

Speaking in Totality

Bandwagoning

False Dichotomy

Arguing from Confusion

Circular Reasoning

  • Most arguments between couples fall into this category. Here, you’re using your own logic to support your argument in an endless cycle. It works well with arguing from confusion. “If you wouldn’t do X I wouldn’t do Y. And you wouldn’t do X if I didn’t do Y.” is one of the most common arguments. It a...
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Confusing Correlation with Causation

Straw Man