Answer:
1.Credibility, accuracy, reasonableness, and support
2.No author listed, no supporting institutions, the author has been controversial or negatively reviewed in the past, the writing is poor or contains errors
3.Is the information fair and balanced, objective, realistic, and consistent?
4.In order to determine whether the author's claims are true and reliable, it's important to know where the author got his or her facts and statistics, and whether these are supported by the majority of experts in his or her field.
