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 now-classic finding is the bias toward local-level details in Navon Hierarchical Figures (alphabetic letters drawn using smaller alphabetic characters) in individuals with ASD (i.e. Koldewyn et al. 2013; Rinehart et al. 2000; Wang et al. 2007).
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