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EFSA commissioned a review of available scientific literature on group decision‐making in regulatory science to inform future recommendations for EFSA's panel system. This final summary report presents the results from the literature review that has been performed based on a list of 30 articles, proposed and validated in the ‘methodological note’ in the kick‐off phase of this work. The review covers the following topics: social science theories and models of group decision‐making; research on group decision‐making in risks assessment, specifically in food safety; research on group decision‐making in regulatory science, and group decision‐making models adopted by national/EU/international organisations. The findings describe the factors that contribute to effective and efficient decision‐making in groups, specific factors to consider for expert panels, some potential shortcomings of group decision‐making to take into account, and some final considerations to inform EFSA's evaluation of its panel system.
