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:In general, results were consistent with any of the following possibilities: (1) language delays in ASD are not a result of implicit learning deficits; other research has proposed a variety of alternative mechanisms for atypical and delayed language development in ASD, including, for example atypically developed joint attention (Charman 2003), and poor motor control (Gernsbacher et al.
Category: