Personal Steps:
Identify emotions attached to topic.
Find reference sources and evaluate bias for a proper view of the topic
Intellectual courage to seek authoritative voices on topics that may be outside of thesis.
Source steps:
Authority established. Does the author have education and experience in that field?
Purpose/point of view of source. Does the author have an agenda beyond education or information?
Publisher. Does the publisher have an agenda?
List of sources (bibliography). Is the evidence sound?
Year of publication. Does the year of publication affect the information?