By now it should be apparent that many 
          of the arguments you'll see on your test aren't well-supported. Most 
          contain some type of logical flaw. 
        However, so far it's been your 
          responsibility to figure out that a flaw exists and what to do about 
          it. In the next question type that we'll review - the Logical Flaw question 
          - you are told that a flaw exists. But now you must identify 
          it directly. 
      
      We've already covered a number of the most common flaws 
        in arguments: 
      
        - In causal arguments, the author often fails to consider alternative 
          causes.
- In representativeness arguments, the sample may not be representative 
          of the group.
- In scope shifts, the author does not keep the scope of his 
          argument consistent.
But there are two more of which you should be aware:
      
        - In necessary/sufficient errors, a requirement that is necessary 
          for something to occur is confused with something that is sufficient 
          for it to occur. 
- In correlation/causation errors, a correlation between two 
          ideas is mistaken for causal relationship (or vice versa).
Let's take a look at an example of each.
        
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Video Lessons and 10 Fully Explained Grand Tests
Large number of solved practice MCQ with explanations. Video Lessons and 10 Fully explained Grand/Full Tests.