Bailey Reads Wikis at the Beginning of His Research Project

Multiple Choice

Bailey reads wikis at the beginning of his research project to get his bearings on the topic.He switches to peer-reviewed journals and professional publications for his formal sources.Why does Bailey not use wikis as formal sources?

A) No one is familiar with wikis.
B) Wikis can be heavily biased.
C) Users can post false information in wikis.
D) Experienced editors verify changes made to wiki articles.