This lesson will assist students in recognizing the elements of an argument, the types of arguments and errors in logical reasoning as well as to evaluate arguments
1. Reading and Evaluating
2. Learning Objectives: _ To recognize the elements of an argument ~ To recognize types of arguments » To evaluate arguments » To recognize errors in logical reasoning
3.
An argument presents logical reasons and evidence to support a viewpoint
4. Parts of an Argument _ ISSUE - problem or controversy about which people disagree » CLAIM - the position on the issue » SUPPORT - reasons and evidence that the claim is reasonable and should be = REFUTATION - opposing viewpoints
5. Types of Claims ~ CLAIM OF FACT - statement that can be proven or verified by observation or » “Within ten years, destruction of rain forests will cause hundreds of plant and animal species to become extinct.”
6. Types of Claims ~ CLAIM OF VALUE - states that one thing or idea is better or more desirable than » “Requiring community service in high school will produce more community-aware graduates. ”
7. Types of Claims ~ CLAIM OF POLICY - suggests what should or ought to be done to solve a » “To reduce school violence, more gun and metal detectors should be installed in public schools.”
8. Types of Support ~ REASON - a general statement that supports a claim. » EVIDENCE - consists of facts, statistics, experiences, comparisons, and examples that show why the claim is valid. = EMOTIONAL APPEALS - ideas that are targeted toward needs or values that readers are likely to care about.
9. Inductive and Deductive Arguments _ INDUCTIVE - reaches a general conclusion from observed specifics. ~ “By observing the performance of a large number of athletes, you could conclude that athletes possess physical stamina.”
10. Inductive and Deductive Arguments ~ DEDUCTIVE - begins with a major premise and moves toward a more specific statement or minor premise. » “Athletes possess physical stamina. Because Anthony is an athlete, he must possess physical stamina.”
11. Strategies for Reading an Argument » What does the title suggest? Preview! » Who is the author, and what are his or her = What is the date of publication? = What do | already know about the issue?
12. Strategies for Reading an Argument » Read once for an initial impression. » Read the argument several more times. = Annotate as you read. = Highlight key terms. = Diagram or map to analyze structure.
13. Strategies for Evaluating Arguments _ Evaluate Types of Evidence - Is it sufficient to support the claim? » Personal Experience - may be biased, so do not accept it » Examples - should not be used by
14. Strategies for Evaluating Arguments _ Statistics - can be misused, manipulated or misinterpreted. » Comparisons and Analogies - reliability depends on how closely they correspond to the situation. = Relevancy and Sufficiency of Evidence - is there enough of the right kind to support the claim?
15. Strategies for Evaluating Arguments _ Definition of Terms - should be carefully defined and used consistently » Cause-Effect Relationships - evidence that the relationship exists should be present = Implied or Stated Value System - are they consistent with your personal value
16. Strategies for Evaluating Arguments ~ Recognizing and Refuting Opposing Question the accuracy, relevancy or sufficiency of the opponent’ s evidence. Does the author address opposing viewpoints clearly and fairly? Does the author refute the opposing viewpoint with logic and relevant evidence?
17. Strategies for Evaluating Arguments ~ Unfair Emotional Appeals Emotionally Charged or Biased Language False Authority = athletes endorsing underwear = movie stars selling shampoo = acar being named a Cougar to remind you of a sleek animal = a cigarette advertisement featuring a scenic
18. Strategies for Evaluating Arguments ~ Unfair Emotional Appeals Appeal to “Common Folk” = an ad showing a product being used in an average = a politician suggesting he is like everyone else Ad Hominem - attack on the person rather than his/her viewpoint “Join the Crowd” Appeal or Bandwagon
19. For Each Argument: — Identify the claim. ~ Outline the reasons to support the claim. » What types of evidence are used? » Evaluate the adequacy and sufficiency of the evidence. = What emotional appeals are used? = Does the author recognize or refute counter arguments?
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