Wikipedia is the free online encyclopedia that anyone can edit. Previous versions of the information are always stored, anyone can correct mistakes, and if the information is vandalized, previous versions of the content are always available. This is a fantastic tool that allows students begin a research process, or explore information literacy skills.
A recent study done by the science journal Nature compared both the Encylopaedia Britannica and Wikipedia. The research revealed errors in both. The average Wikipedia entry contained 4 errors, and the average Britannica entry investigated contained 3 errors.
To read the full report, click this link: Internet Encyclopaedias Go Head to Head