Brains, Trolleys, and Intuitions: Defending Deontology From the Greene/Singer Argument

Document Type

Article

Publication Date

1-1-2015

School

Psychology

Abstract

Joshua Greene and Peter Singer argue, on the basis of empirical evidence, that deontological moral judgments result from emotional reactions while dispassionate reasoning leads to consequentialist judgments. Given that there are good reasons to doubt these emotionally driven intuitions, they argue that we should reject Kantian ethics. I argue that the evidence does not support the claim that consequentialism is inherently more reason-based or less emotion-based than Kantian ethics. This is partly because the experiments employ a functional definition of ‘deontological’ that is so broad as to include any non-consequentialist theory, including virtue ethics, divine command theory, and even rule-utilitarianism. Thus the experiments failed to capture the reasons behind the judgments. Also, the results of the experiments are partly due to the extensive use of moral dilemmas like the footbridge version of the trolley scenario. The options in these dilemmas involve different levels of moral thinking. The consequentialist option involves higher level deliberation while the non-consequentialist option involves the lower level recognition of morally relevancy. I propose an alternate dual process theory of moral judgment. Moral thinking, whether consequentialist or deontological, requires both sympathetic emotional processing and also dispassionate reasoning.

Publication Title

Philosophical Psychology

Volume

28

Issue

4

First Page

466

Last Page

486

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