Predicting what we will like: Asking a stranger can be as good as asking a friend

When predicting how much they will like something they have not encountered before, people use three commonsense theories: It is better to have a description of the attitude object than to know how someone else felt about it (“I know better than others”), better to know how a friend felt about it than how a stranger felt (“birds of a feather”), and better to get advice from friends—how much they think we will like it—than to know how they felt...