  The idea that people’s attitudes are the cause of implicit bias is pervasive. The term “attitudes” tends to be used differently in psychology and philosophy, however. In psychology, attitudes are akin to preferences (i.e., likings and dislikings); the term does not refer to propositional states per se (i.e., mental states that are thought to bear a relationship to a proposition), as it does in philosophy. Most attitudinal theories of implicit bias use the term in the psychologist’s sense, although variations will be noted below.