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:Our experimental design is inspired by two classical task switching experimental paradigms: predictable task switching, where switches happen in a predictable way after a constant number of tasks in a sequence, and task cuing, where an explicit cue is presented before each task to specify the type of the current task (Kiesel et al. 2010).
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