whenever a source of information that is not common knowledge or personal
opinion is not being given credit.
What is common
such as dates, historical events, or concepts that any educated person knows,
or that can be found in multiple general reference sources. For example, the
year the Berlin Wall fell is something considered part of common knowledge as
this information can be found in multiple reference books. However, an author's
interpretation of the reasons why this historical event happened needs acknowledgement
of the source. The criteria for common knowledge is that, whenever there is
doubt, it is always better to cite.
Example 1: Common
Knowledge - Correct Use
was attacked on September 11th, 2001 when four planes were hijacked, two
of them hit the World Trade Center in New York, one hit the Pentagon in
Washington DC, and the last one fell in Pennsylvania. Perhaps the most
shocking image was when the twin towers collapsed, leaving thousands of
people dead in New York.
- Note that
the student is just mentioning a historic event that is common
- No citation of the source is necessary.
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