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:To fulfil this goal we used (as described in detail in the next section) the Th.o.m.a.s (Bosco et al., 2009a; see also Castellino et al., 2011; Laghi et al. in press), a semi-structured interview for investigating various aspects of ToM, plus a classical ToM test (Strange Stories test, Happé et…
Category: