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Comparison and Contrast - PowerPoint - PowerPoint

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									Comparison and
Contrast
Freshman English
A technique for exposition,
          for explaining
Comparison
   To compare is to discuss
    similarities and differences
    between.
     people
     places
     objects
     events
     ideas
Contrast
   To contrast is to show or discuss
    differences.
Uses
   Good for a broad range of
    explanatory situations to clarify
    and/or explain:
     character
     design
     elements
     the   nature of something
Useful also to:
   Show superiority.
Used to make a point
Requirements
   Relationship between the two
    items must be
     logical
     self-evident
     balanced
     sustained.
Bases for Comparison
   What elements of the two items
    are comparable?
   Have you clearly stated them in the
    introduction?
   Are they in the order in which they
    will be discussed?
   Have you defined necessary
    terms?
Organization
   Subject to subject (item to item)
   Point to point (element to element)
        Draw a Chart
               Rock     Classical
              Concert   Concert
Instruments

Venue

Audience

Music
Rules to Help
        Rule #1
Keep elements of the comparison logically
  related.

Elements must be comparable -
  of the same logical class.
          Example
e.g. Modern atomic theory provides for fewer
types of atoms than Democritus, the ancient
Greek philosopher who conceived the idea of
atoms.

Modern atomic theory provides for fewer types
of atoms than that of Democritus, the ancient
Greek philosopher who conceived the idea of
atoms.
Rule #2
   Complete all elements of the
    comparison.

   The reader must know which
    elements in a sentence are being
    compared.
            Examples
   Democritus believed that there existed an
    infinite variety of atoms, each of which
    possessed unique characteristics, for instance
    that atoms of water were smoother. , than ….
   The ideas of Democritus were based more on
    speculation. ,while ….
          Rule #3
   Make comparisons clear and unambiguous.

   Revise comparisons that invite alternate
    interpretations.
           Example
    Scientists today express more respect for
     Democritus than his contemporaries

1.   Scientists today express more respect for
     Democritus than for his contemporaries.

1.   Scientists today express more respect for
     Democritus than his contemporaries did..
Revise the following sentences.
 1.   Since ancient times, fire has been
      regarded more as a transforming element
      than sheer destructive power.
 2.   Medieval scientists believed in fire resided
      magical properties.
 3.   In legend, Prometheus’s gift of fire made
      humans better, and for this Prometheus
      was punished.
 4.   Humankind has used file for about
      400,000 years, although it is not clear that
      all people have known how to make it.

								
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