It is not surprising that we tend to like people who are similar to us, and there is a large body of research that confirms this. But the reasons why we like people who are like us can be complex.

Researchers have found that how similar you are to your partner can affect your happiness – but it’s complicated. Among many monogamous species, from cockatiels to cichlid fish, studies have revealed ...

Compliance is a behavior performed only because it is requested. Otherwise, it will not happen. What explains this kind of social influence? Social psychologist Robert Cialdini, in his masterful ...

A discussion of how courts compare works for purposes of evaluating copyright infringement claims, including how they weigh similarities and dissimilarities for specific categories of expressive works ...