What are the publication, authors, and used sources past?

Are the authors in a position of authority?

Do the authors have access to reliable evidence?

Is the source primary or secondary?

Do the authors have a personal stake in the subject?

Are certain results more desirable than other results?

What does the author have to gain from lying or telling the truth?

Do the authors have specialized knowledge on the topic of study?

Do their sources have specific knowledge in their field?

• For example, in martial arts research, professional combat sports athletes are typically used to analyze the physics behind their discipline's punch

Do the authors, sources, or evidence show any bias?

Are data analyzed in a fair way?