Who is the intended audience for the information?
Does the level of information presented match your level of research?
What is the objective of the information?
Is the information presented without bias?
Are there multiple viewpoints presented?
If appropriate, limit your search to only show results from scholarly publications.
Read the abstract, paying close attention to the vocabulary used in the text. This is a good way to determine if the article is at an appropriate level for your research.
Scan the article. Take note of any bias or conflicts of interest that may be present.