Final answer:
Source credibility is determined by the author's credentials, accuracy of the information, and the reputation of the publication.
Step-by-step explanation:
Source credibility is determined by several factors, including:
- The author's credentials: The qualifications and expertise of the author can indicate their knowledge and authority on the subject.
- The accuracy of the information: A credible source should provide accurate and reliable information that can be verified through other sources.
- The reputation of the publication: The reputation of the publisher or source can also contribute to the credibility of the information.
Considering all these factors, all of the above determine the credibility of a source.