For each fallacy listed, there is a definition or explanation, an example, and a tip on how to avoid committing the fallacy in your own arguments. Some of the most obvious examples are those that appear in advertising, though they are also common in political discourse. Presented in this exercise are arguments for various assertions about the downing of twa flight 800. See, my mom, she had to work three jobs on account of my dad leaving and refusing to support us, and me. Given below are the names of common logical fallacies. Course hero has everything you need to master any concept and ace your next test from course notes, logical fallacy study guides and expert tutors, available 247. Logical fallacy assignment you will be assigned one or two logical fallacies to research and present to the class in two ways. They all had a copy of the definitions worksheet and they were to use that to identify which fallacy was which. Sign in recent site activity report abuse print page powered.
For each logical fallacy, describe what is wrong with each example. Aug 11, 2019 logical fallacies worksheet what logical fallacy is being. Weak arguments have little or suspicious support and shaky reasoning. Our team felt that the logical fallacies lesson study was enormously successful. Instructors answer key to what are logical fallacies handout pdf format private instructor only file. This document should only be used as a reference and should not replace assignment guidelines. Effective persuasive writing demands that a writer present solid arguments based on sound evidence, avoiding errors in reasoning known as logical fallacies. Post hoc slippery slope a fallacy in which one event is said to be the cause of a later event simply because it occurred earlier. All teacher workrooms contain a coffee maker, therefore all teachers must be addicted to coffee. Click to see more information on fallacy s in english language or download the worksheet collection. Theyre like tricks or illusions of thought, and theyre often very sneakily used by politicians, the media, and others to fool people.
An ad hominem is a general category of fallacies in which a claim or argument is rejected on the basis of some irrelevant fact. Showing top 8 worksheets in the category logical fallacy. This bundle contains 5 readytouse fallacy worksheets that are perfect to test student knowledge and understanding of what fallacy is and how it can be used. Because many logical fallacies effectively persuade people, but only if the listener or reader doesnt notice the fallacy. If we pass laws against fully automatic weapons, then it wont be long before we pass laws on all weapons, and then we will begin to restrict other. Logical fallacies a manipulative technique in arguments is the logical fallacy, an. A logical fallacy is often what has happened when someone is wrong about something. This first worksheet is a series of statement that are all logical fallacies. In formal fallacies, the pattern of reasoning seems logical but is always wrong. Principles of reasoning johns hopkins center for talented youth about this course logic.
This is the best logical fallacy, and if you disagree with me, well, youre an idiot. Although the latin phrases can seem overwhelming, the explanations have been simplified for clarification and understanding. Understanding common logical fallacies is one way to avoid this. Analyzing the flaws in the argument logical fallacies are assumptions based on faulty logic. Logical fallacies may be based or premised on correct, incorrect, or misleading facts. Ad hominem an argument that attacks the person, rather than addressing the argument itself. In order to understand what a fallacy is, one must understand what an argument is. This extension will provide students with more opportunities to understand the construction of logical fallacies and may help instructors better assess students. An inductive fallacy is less formal than a deductive fallacy. They are different from factual errors, which are simply statements of incorrect facts. Logical fallacies worksheet with answers search and download.
This fallacy is committed when it is concluded that one event causes another simply because the proposed cause occurred before the proposed effect. The coin has been heads twice, so the next flip is most going to be tails. A miniunit to teach students about logical fallacies. Bandwagon an argument based on the assumption that the opinion of the majority is always valid. Logical fallacy chart here are some common logical fallacies that a student will want to avoid when writing an argumentative paper. Very briefly an argument consists of one or more premises and one conclusion. Making inferences is a skill with which students often need much practice. Principles of reasoning is the equivalent of a traditional, introductorylevel college logic course, and covering both informal and formal patterns of reasoning. The definitions can be learned by clicking on the link. Assess what logical fallacy, if any, each argument has. Some of the worksheets displayed are logical fallacies 1, exercises questions and activities my answers exercises, so what is a logical fallacy, stephens guide to the logical fallacies, common logical fallacies, handout argument fallacies, fallacies, explicit examples of logical fallacies in love is a. A logical fallacy is often what has happened when someone is. The gamblers fallacy this occurs when a person feels that a random event can be predicted by previous outcomes.
Formal or deductive fallacies occur when the conclusion doesnt follow the premise. Each are editable documents so you can change them to fit your needs and. Wss quicknotes logical fallacies page 1 the unb writing centre contact us 1617 c. You can use these fallacy worksheets in the classroom with students, or with home schooled children as well. This file includes a thirty question quiz on persuasive devices and logical fallacies in. Begging the question a fallacy in which the premise of an argument presupposes the. This poster can be downloaded as a high resolution pdf from the website for printing at. The fallacy fallacy occurs when an arguer assumes that a claim is wrong because the person making the claim was guilty of fallacy. Inferences worksheets making inferences is a skill with which students often need much practice. A logical fallacy is often what has happened when someone. May 24, 2012 this first worksheet is a series of statement that are all logical fallacies. If you are an individual with a disability and need a greater level of accessibility for any document in the writing. Strong arguments are void of logical fallacies, whilst arguments that are weak tend to use logical fallacies to appear stronger than they are. Go back to the logical fallacies exercise sheet and answer the.
Be specific and describe the problems in terms of the premise first part, the middle term establishes relationship or connection, or the conclusion last part. Note also that the comma between function arguments is not a comma operator. Comedy making a connection about two things based on poorly judged comparisons the doctor says you need to exercise everyday, technically walking up and down my staircase is exercise, so i do exercise everyday. Manipulating an emotional response in place of a valid.
We have already discussed the concept of logical fallacies and why. In spite of what some say, the number of the poor is rising in america because there is no evidence to suggest that number is decreasing. Students will be able to identify common types of logical fallacies. The gamblers fallacy this occurs when a person feels that a random event can be predicted by previous outcomes example.
Writers and speakers both mistakenly and intentionally use logical fallacies. Persuasive devices and logical fallacy quiz and answer key. I print out six definitions for specific logical fallacies from stephens logical fallacy website. Logical fallacies assignment by danny broker on prezi. I had spoken to the students previously about logical fallacies as they were to feature prominatly in their second assignment. Make a short six slide powerpoint presentation for each fallacy assigned to introduce the concept, provide a definition, and provide three examples of the fallacy. These are often referred to as nonsequiturs, or conclusions that have nothing to do with initial claims. Class activity logical fallacy ad ed lessor preparation. Professional journals and other forms of academic writing should be free of logical fallacies. Utah valley university uvu does not discriminate on the basis of race, color, religion, national origin, sex, sexual orientation. Logical fallacies worksheet 1 pdf education portfolio. In this lesson, students learn 7 types of logical fallacies and use their new knowledge to film a staged, illogical argument. The fallacy involves concluding that a causes or caused b because a occurs before b.
Arguments to avoid when writing fallacies are statements that might sound reasonable or true but are actually flawed or dishonest. If youve looked for resources in the same places that i have, you probably havent been too happy with what you found. Since scientists cannot prove that global warming will occur, it probably wont. A logical fallacy is an error in judgment or a faulty argument. Logical fallacies are an important concept to know in the study of rhetoric, and this quiz worksheet will help you test your understanding of their characteristics and components.
Making assumptions about a whole group or range of cases based on a sample that is inadequate usually because it is atypical or too small. Jones student services centre 26 bailey drive, box 4400 fredericton, nb canada, e3b 5a3 phone. That sentence represents a logical fallacy although it may be true from some, a topic the seventh installment in the 24part writing the. A beginners guide which logical fallacy would be your favorite pick from the list below. Principles of reasoning is the equivalent of a traditional, introductorylevel college logic. Our website is a unique platform where students can share their papers in a matter of giving an example of the work to be done. Use this item as is or make changes to support the needs of your curriculum. A deductive fallacy is a deductive argument that is invalid it is such that it could have all true premises and still have a false conclusion. Non sequitur an argument in which a conclusion doesnt follow logically from what preceded it.
Logical fallacies are any and all arguments in which the premise or basis for the c. This fallacy occurs when your opponent oversimplifies or misrepresents your argument i. A logical fallacy 1 is an occurrence of bad or incorrect reasoning, and we hope you will learn to sniff out bad reasoning like a hound dog. I change these each term, but the latest version included. All twentyeight of the fallacies are listed with their definitions on the inside covers of this. The exercises are designed to be completed in a 50minute course. Logical fallacies are an important concept to know in the study of rhetoric, and this quizworksheet will help you test your understanding of their characteristics and components. Errors or weaknesses in arguments are called logical fallacies. Hes rich, so his position on how to deal with poverty must be wrong. An ad hominem argument evades the task of addressing the question. Make a short six slide powerpoint presentation for each fallacy assigned to introduce the concept, provide a definition, and provide three.
Learn which types of fallacies youre especially prone to, and be careful to check for them in your work. I believe that the inference worksheets that ive created are of a higher quality than the other available resources and, as usual, im giving them away for free. Logical fallacies quick quiz identify or explain the fallacy in the following arguments. When readers detect them, these logical fallacies backfire by making the. Strong, convincing arguments have sound support and logical reasoning. This unit includes syllogism notes and practice, logical fallacy vocabulary list, vocabulary slideshow, an example of a funny bad argument and followup activity, the answer key, and the bad argument assignment. After completing these activities, instructors may have students create their own logical fallacies related to climate changescience or not as an inclass or homework assignment.
739 648 1237 1109 1346 536 627 187 567 942 579 1527 116 1448 716 871 1203 655 1580 857 769 1593 529 1449 1339 719 270 156 1306 350 1306 825 646 627 1127 602 343 1214 697