The bias is so blatant it's hilarious. The person who did the research was just a Who fan with an axe to grind, nothing more. And using the Bechdel test of all things... The Bechdel test is interesting but at the end of the day it's not a method of study, it's a joke in a comic. It about as rigorous and scientific as a drinking game.
Yeah, I kind of agree with that. I think it's an interesting way to talk about how female characters are used in movies and TV. It's a good way to begin a discussion, but, yeah, not particularly scientific.