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All of the professors in the History Department have written books on the Medieval period. Clearly the History department is a Medieval History Department.
(Professor in the History Department to the History Department as a _____)
Part vs. Whole
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Chloe must have Professor Wright as her American Lit Teacher. Everyone in Wrights class has to read Cather's My Antonio, and I saw Chloe in the student commons reading it today.
- Illegal Reversal
- Premise: Wright class --> Read Cather's Conclusion: Read Cather---> Wright Class
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If you want to live longer, eat more fish . The residents of the island of Oklahoma eat a diet that consist primarily of fish , and they are also known to have the longest average lifespans of any population on earth.
Causation Flaw
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Alicia has made it known that she would drop out of the contest for class president if George ran. Since George has just announced that he is running, he will be unopposed.
- False choice
- (Someone else could run against George)
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The number of personal watercraft accidents has risen steady over thee past two years. Riding the personal watercraft has apparently become more hazardous , despite technological advances .
Percent vs. Amount
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A consumer magazine survey people who had sough a psychologists help with a personal problem. Of those responding who had received treatment for 6 month or less, 20 percent claimed that treatment "made things a lot better." Of those responding who had received longer treatment , 36 percent claimed that treatment "made things a lot better." Therefore, psychological treatment lasting more then 6 months is more effective than short- term treatment .
Weakens the argument question
- Comparison Flaw
- - Just because they fell better, how do we know it was more effective?
- more people said they felt better, so treatment is more effective
- (also could be Sampling Flaw- Do we know if these people are representatives?
- , Part vs Whole- what if the people responding aren't the apart of the whole / don't represent the whole ?)
- Causation Flaw - How do we know it was the thereby and not something else that made things better
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