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Hybrid Model Reveals People Act Less Rationally In Complex Games, More Predictably In Simple Ones
Wednesday July 9, 2025. 03:25 AM , from Slashdot
![]() As part of their future studies, the researchers would also like to shed more light on what makes a game 'complex' or 'easy.' This could be achieved using the context-dependent noise parameter that they integrated into their model as a signature of 'perceived difficulty.' 'Our analysis provides a robust model comparison across a wide range of candidate models of decision-making,' said [Jian-Qiao Zhu, first author of the paper]. 'We now have strong evidence that introducing context-dependence into the quantal response model significantly improves its ability to capture human strategic behavior. More specifically, we identified key factors in the game matrix that shape game complexity: considerations of efficiency, the arithmetic difficulty of computing payoff differences, and the depth of reasoning required to arrive at a rational solution.' The findings gathered as part of this recent study also highlight the 'lightness' with which many people approach strategic decisions, which could make them vulnerable to parties looking to sway them towards making irrational decisions. Once they gather more insight into what factors make games and decision-making scenarios more challenging for people, Zhu and his colleagues hope to start devising new behavioral science interventions aimed at prompting people to make more rational decisions. Read more of this story at Slashdot.
https://science.slashdot.org/story/25/07/08/2220223/hybrid-model-reveals-people-act-less-rationally-...
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