You check to see if the author has been objective
You check to see if the information is current
You confirm that the author or site an authority on the subject.
You do as many of the above as possible.
You check to see if the information is accurate
With so much information on the Internet you are more likely to find what you need.
An article that only presents one point of view or omits facts is biased.
maybe, not
and, or, not
and, or, maybe
or, maybe, not
Better looking web sites are more likely to have information that is correct.
a meta search site like Dogpile
a directory search like Yahoo
a single search engine like Google.
important words
keywords
content words
Boolean words
it is better to write a complete sentence.
it is better to use as many significant words as possible
it is better to use only one word.