CMN 321 Lecture Notes - Lecture 3: Enthymeme, Statistical Inference

• School: University of Illinois
• Department: Communication
• Course: CMN 321
• Professor: J Murphy

Document Summary

Based on the human capacity to reason. Root of logic but broader: good reasons. Synonyms: word, talk, speech, account,explanation, argument. Intertwined natures of the three modes of proof. Example: case used to illustrate an idea or prove that something has happened/could happen, strong psychologically, weak logically. Statistics: numerical measures of scope/frequency, strong logically, scope= 500 gallons of water. Analogies: literal comparisons between persons, things, or ideas, psychologically powerful, can be logically strong, shift perspective, allow us to see other things, we often compare new situations to old ones. Authority: expert testimony designed to translate difficult or complex material into an understandable form for the audience. Mix forms of evidence to be the most successful. Evidence----------------warrant---------------claim: warrant- moves you from evidence to claim. Typical warrants or forms of reasoning: 1. Cultural history: long debate with many moments, particularly clinton ealth care reform, role of government in the economy, values clash-self reliance vs. helping others, polarization.