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:Ten years after the relevant work of Kozlowski et al., young post-communist democracies would appear to be incapable of defying this deeply rooted scientific/technical model. In a much more recent study, Vinkler (1998) encounters similar conducts in a comparison of Western Europe, the USA and Japan, with the scientific situation of countries from Central and Eastern Europe (excepting the former USSR).
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