what are the author's credentials, and in writing this article, is the author adding something robust or new or controversial to the field in which they specialize? 2. what knowledge does this article give you, is the article supported by valid and current research? b) you can get an idea of the content of the article by scanning the sub-headings (if subheadings are used) c) what kind of research did the writer use? Was the research thorough--check out some of the sources, and investigate if OTHER writers and researchers are also