The Origins of Shared Intuitions of Justice
University of Pennsylvania Law School, Public Law Research Paper No. 06-47
57 Pages Posted: 20 Dec 2006 Last revised: 10 Apr 2008
Contrary to the common wisdom among criminal law scholars, empirical evidence reveals that people's intuitions of justice are often specific, nuanced, and widely shared. Indeed, with regard to the core harms and evils to which criminal law addresses itself-physical aggression, takings without consent, and deception in transactions-the shared intuitions are stunningly consistent across cultures as well as demographics. It is puzzling that judgments of moral blameworthiness, which seem so complex and subjective, reflect such a remarkable consensus. What could explain this striking result?
The authors theorize that one explanation may be an evolved predisposition toward these shared intuitions of justice, arising from the advantages that they provided, including stability, predictability, and the facilitation of beneficial exchange-the cornerstones to cooperative action and its accompanying survival benefits. Recent studies in animal behavior and brain science are consistent with this hypothesis, suggesting that moral judgment not only has biological underpinnings, but also reflects the effects of evolutionary processes on the distinctly human mind. Similarly, the child development literature provides evidence of predictable stages in the development of moral judgment within each individual, from infancy through adulthood, that are universal across all demographics and cultures.
The current evidence does not preclude alternative explanations. Shared views of justice might arise, for example, through general social learning. However, a social learning explanation faces a variety of difficulties. It assumes that individuals will adopt norms good for the group at the expense of self-interest. It assumes an undemonstrated human capacity to assess extremely complex issues, such as what will be an efficient norm. It predicts that the significant variation in circumstances among different groups would give rise to commensurately different norms and variation in the effectiveness of teaching them. It is inconsistent with the developmental data that show intuitions of justice appearing early, before social learning of such complexity is possible. And, finally, a general social learning explanation predicts views of justice as accessible, reasoned knowledge, rather than the inaccessible, intuitive knowledge that we know them commonly to be.
Whatever the correct explanation for the consensus puzzle, intuitions of justice seem to be an inherent part of being human and this, in turn, can have important implications for criminal law and criminal justice policy.
Keywords: criminal law, law & society, psychology, empirical evidence, moral blameworthiness, biological underpinnings, evolutionary processes, development of moral judgment, views of justice, intuition
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