We use various types of action decision strategies to realize smooth interaction with others. We can predict the intentions of others and determine our actions based on those predictions or induce the intentions and actions of others as we intended. In this study, we constructed a computational model of action decisions based on the intention predictions of others and evaluated its effectiveness by a computer simulation in a cooperative game. We also analyzed human behavior in the cooperative game. We suggest the necessity of meta-strategy such as a choice of action decision strategies from possibilities to determine the next action. We also discuss the feature of human meta-strategies for the action decision process in such interactive situations.
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