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:…3 s were trimmed from each time series to eliminate transients. the remaining data were analyzed using crossrecurrence quantification analysis (cRQa; Marwan et al. 2002; shockley 2005; shockley et al. 2002; Webber and Zbilut 2005; Zbilut et al. 1998) to measure interpersonal coordination (of…
Category: