This seems like an interesting opportunity for a different kind of rating metric. One idea is "mean + standard deviation", while another might be "what did peop

This seems like an interesting opportunity for a different kind of rating metric. One idea is "mean + standard deviation", while another might be "what did people like you think of this movie, and what did people unlike you think of it?". But clearly both of these are trickier to understand than just a single number.