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:Experiment 1
The purpose of Experiment 1 was to examine whether we could replicate the general pattern of results found by Pascalis and colleagues (Pascalis et al., 2002; Pascalis et al., 2005).
Category: