What is his/her education level?
What is his/her career?
Is he/she well-published?
What is the author’s experience with the topic?
What is his/her point of view?
To evaluate the author of an article, follow the same steps outlined for the author of a book.
If you’re unable to find information about the author in the sources mentioned above, look at the article itself. Sometimes at the beginning or end of the article there is a brief notation made as to the author’s academic affiliation and/or degrees.