Knowledgeable and acknowledged authors
- Are the author's qualifications, such as education, job and position stated?
- Is the author acknowledged and considered as well-informed in this field?
- Does the author have any connections to respected institutions or organisations?
- Is the publisher reputable?
- If the source is found on the Internet, who owns the site where it was published?
- Is there any information about how to contact the author?
- Have independent experts evaluated the quality of the information before it was published?
- Are there any grammatical or orthographic errors?