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Human decision making modelling for gambling task under uncertainty and risk

Author

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  • Nimisha Gupta
  • Mitul Kumar Ahirwal
  • Mithilesh Atulkar

Abstract

In this paper, modelling of human decision making process and comparison among various reinforcement learning (RL) techniques with utility functions has been performed. Iowa gambling task (IGT) is used to collect real time data to understand and model the decision making (DM) process involving uncertainty, risk or ambiguity. Performance of models is evaluated based on their mean square deviation (MSD) value. This helps to predict the probability of the next choice that lead to the selection of the advantageous deck as compared to disadvantageous one. Along with that, the deck selection pattern between male and female with the learning process of the participants were also analysed. By comparing the MSD value of various RL models, it is found that the MSD value of DM model consists of prospect utility (PU)-decay reinforcement learning (DRI) with trial dependent choice (TDC) rule is best.

Suggested Citation

  • Nimisha Gupta & Mitul Kumar Ahirwal & Mithilesh Atulkar, 2022. "Human decision making modelling for gambling task under uncertainty and risk," International Journal of Information and Decision Sciences, Inderscience Enterprises Ltd, vol. 14(1), pages 15-38.
    • Handle: RePEc:ids:ijidsc:v:14:y:2022:i:1:p:15-38
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