An Integrated Reasoning Approach to Moral Decision-Making

Morteza Dehghani, Emmett Tomai, Ken Forbus, Matthew Klenk

We present a computational model, MoralDM, which integrates several AI techniques in order to model recent psychological findings on moral decision-making. Current theories of moral decision-making extend beyond pure utilitarian models by relying on contextual factors that vary with culture. MoralDM uses a natural language system to produce formal representations from psychological stimuli, to reduce tailorability. The impacts of secular versus sacred values are modeled via qualitative reasoning, using an order of magnitude representation. MoralDM uses a combination of first-principles reasoning and analogical reasoning to determine consequences and utilities when making moral judgments. We describe how MoralDM works and show that it can model psychological results and improve its performance via accumulating examples.

Subjects: 4. Cognitive Modeling; 2. Architectures

Submitted: Apr 15, 2008

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