How people's expectations affect their reaction to a movie.

In response to I wrote:

'I am really glad that you brought up expectations and how that biases people when judging a movie, which is a concept that I hadn't thought much about. I suspect that the reason so many people are negative on The Phantom Menace is because of their expectations. Personally, I had a blast with the movie and I think that it is almost as entertaining as the best Star Wars films. Although episodes 7 and 8 have some plot holes you could drive a truck through, I still enjoyed these movies. There is enough good stuff to make them worthwhile. What people didn't like about episode 8, which is that the movie defied all of their expectations, made it more entertaining for me because it was something new and different.'