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:…a friend or romantic partner of the observer, cue-based paradigms may arguably generate, in agreement with related observations (Cheng et al., 2010; Cikara and Fiske, 2011; Hein and Singer, 2008; Lamm et al., 2011; Singer et al., 2006; Wang et al., 2016; Xu et al., 2009), stronger empathic…
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