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How do humans learn to cooperate? It’s an interesting question — one behavioral anthropologists have been studying for decades. Social norms — that is, common understandings or informal rules, like dining etiquette and fashion sense — are thought to play a part, but it’s tough to measure the extent to which they shape society and how they’re affected by other factors. Fortunately, that’s where artificial intelligence (AI) comes in. In a newly published paper on the preprint server (“ Understanding The Impact of Partner Choice on Cooperation and Social Norms by means of Multi-agent Reinforcement Learning “), scientists describe an AI system trained using reinforcement learnin... Full story

11 February