Well, DUH.
Annie was adopted. Annie was rich. Therefore, we can infer that all adopted children are rich.
Another good example:
Further proving this theory from the same movie is Chad Michael Michaels, who was not
I think that these scientists can infer from the movies that adopted children are better. I don't think we really need to do studies on the things that we can learn from the cinema. Instead, scientists, I think we should turn our attention to cloning sheep or something crazy like that.