Quantum group decision making based on regret theory and grey relational degree considering psychological preference

Key Points

• Quantum group decision making integrates psychological preference and regret theory for improved outcomes, enhancing decision accuracy.
• Major findings highlight that incorporating the grey relational degree significantly affects decision quality in uncertain situations.
• The approach utilizes regret theory to address cognitive bias in group decisions, aiming for more rational collective outcomes.
• Highlights the need for frameworks in decision-making that consider both psychological preferences and uncertainty in future applications.