Which sources are not credible sources to use for research?

A.)Websites from credible institutions like Mayo Clinic, Department of Justice, and University-affiliated institutions.

B.)Journals by authors respected and well known in their specific fields.

C.)Websites: There is not much information available. If the purpose is not informative but may have other motives, like to persuade, the site may not be credible. The website is not regularly updated or the author is unreliable.

D.) Websites. The more information available, the more credible the website. There is a specific author, the audience is clear, the purpose is informative not biased, and the information is regularly updated. Also look for websites ending in .edu and.gov. ​