Evaluate the reliability of an information source in terms of the entities and/or organizations who published the information source, and the reputations for quality and integrity of those entities/organizations
Evaluate the authority of an information source in terms of the author's expertise and publication history
Understand bias and agenda, and detect when there is strong potential for them in an information source
Locate reviews of information sources, and know when it is necessary to check these
Evaluate the validity of an information source from a general scholarly perspective about what constitutes valid knowledge
Evaluate the accuracy of an information source against other information sources