You do as many of the above as possible.
You check to see if the author has been objective
You confirm that the author or site an authority on the subject.
You check to see if the information is current
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.
Boolean words
content words
important words
keywords
a meta search site like Dogpile
a single search engine like Google.
a directory search like Yahoo
or, maybe, not
and, or, maybe
and, or, not
maybe, not
Better looking the web sites are more likely to have information that is correct.
it is better to use only one word.
it is better to write a complete sentence.
it is better to use as many significant words as possible