Moral Judgment and Decision-Making Psychology

Summary

Human moral judgement and decision-making reside at the intersection of emotion, cognition and social context. Classic theories distinguish deontological rules, which evaluate actions by their inherent rightness, from consequentialist or utilitarian frameworks, which assess outcomes. Dual-process accounts further posit that rapid, affect-driven intuitions interplay with slower, deliberative reasoning to resolve moral conflicts. Recent advances have incorporated computational models to disentangle sensitivity to harm, adherence to norms and general action tendencies. Individual differences in empathy, cultural norms and cognitive style shape how people weigh duties against aggregate welfare. Real-world contexts, from clinical ethics to autonomous vehicle design, underscore the practical stakes of moral psychology. Globalisation and digitalisation have expanded the field to include cross-cultural variation, algorithmic decision-making and the role of social media in spreading moral norms. Taken together, research has moved beyond hypothetical dilemmas to consider ecological validity, neural mechanisms and policy applications in shaping coherent models of how people decide what is right or wrong in complex scenarios.

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Moral Judgment and Decision-Making Psychology publication trend

The graph below shows the total number of articles in moral judgment and decision-making psychology across all publications each year (not limited to Nature Index journals).

Technical terms

Deontological ethics: Moral theory that judges the rightness of actions by adherence to rules or duties rather than outcomes.

Consequentialism: Ethical framework whereby the moral value of an action is determined solely by its outcomes or consequences.

Utilitarianism: Form of consequentialism prioritising actions that maximise overall welfare or happiness.

Instrumental harm: The act of causing harm to an individual as a means to achieve a greater overall benefit.

Impartial beneficence: The principle of equal, unbiased concern for the well-being of all individuals.

Dual-process theory: Model positing two interacting systems in decision-making: a fast, intuitive system and a slow, deliberative system.

Computational modelling: Use of formal mathematical or algorithmic models to represent cognitive processes underlying moral decision-making.

Action bias: A predisposition to favour taking an action over inaction, influencing moral judgements in dilemmas.

References

  1. The presence of automation enhances deontological considerations in moral judgments. Computers in Human Behavior (2023).
  2. Beyond Trolleyology: The CNI Model of Moral-Dilemma Responses. Personality and Social Psychology Review (2024).
  3. Beyond Sacrificial Harm: A Two-Dimensional Model of Utilitarian Psychology. Psychological Review (2018).

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