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:Consistent with findings of Van Kleef and others (e.g., Van Kleef et al., 2004; Sinaceur & Tiedens, 2006) in non-moral domains, anger expressions for Non-sacred value participants resulted in higher concession rates.
Category: