Answer:
The E in the P.R.O.V.E.N stands for expertise
Step-by-step explanation:
Expertise: The authority of the authors and the source.
What makes the authors, publishers, or sponsors of the source authorities on the topic? Do they have related
education, or personal or professional experience? Are they affiliated with an educational institution or
respected organization? Is their expertise acknowledged by other authorities on the topic? Do they provide an
important alternative perspective? Do other sources cite this source?
Has the source been reviewed by an editor or through peer review?
Does the source provide contact information for the authors, publishers, and/or sponsors?