Conversation so far:
What was Dana Scully's character like?
Throughout the series, her Catholic faith served as a cornerstone, although a contradiction to her otherwise rigid skepticism of the paranormal.
What are some personality traits of Dana Scully?
Dana Scully is calm, collected, analytical, and a perpetual skeptic. She questions everything; her faith, the nature of the world, the validity of the cases she and her partner work.
Is there anything else interesting on Dana Scully besides personality trains?
she was abducted by Duane Barry, a self-proclaimed alien abductee
What happened after Dana Scully's abduction?
Mulder believes that Scully was taken aboard an alien spaceship and was subjected to tests. However, she believes she was kidnapped by men and subjected to tests, not aliens.

Question: Why did she believe that?
Self-contained rewrite: Why did Dana Scully believe that she was kidnapped by men and subjected to tests, not aliens?