Evaluate the collective function of references cited together in a given text segment.
Classify their combined role into one of the following categories: 'method', 'background', or 'result'.

Text:14 unique from political ideologies such as social dominance orientation, right-wing authoritarianism, and conservatism, previously shown to be associated with dehumanization (e.g., Costello & Hodson, 2010, 2014; Hodson & Costello, 2007; Kteily et al., 2015) and aggressive intergroup attitudes (e.
Category: