Most of the times it'd be the opposite of what you have said because the moment people see 4/10 for a movie they liked, self-doubt clouds hence people are more

Most of the times it'd be the opposite of what you have said because the moment people see 4/10 for a movie they liked, self-doubt clouds hence people are more likely to give it a lower rating in the same range rather than 10 thinking about Mean static to improve the rating.