Reply to: Life and death decisions of autonomous vehicles

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Fig. 1: Distribution of explicit preferences stated by Moral Machine users.
Fig. 2: Preferences extracted from the conjoint analysis of the Moral Machine dataset.

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Data and code that can be used to reproduce Figs. 1 and 2 are available at


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J.-F.B. acknowledges support from the ANR-Labex Institute for Advanced Study in Toulouse, the ANR-3IA Artificial and Natural Intelligence Toulouse Institute, and the grant ANR-17-EURE-0010 Investissements d’Avenir. I.R. acknowledges funding from the Ethics & Governance of Artificial Intelligence Fund.

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I.R., A.S. and J.-F.B. planned the research. I.R., A.S., J.-F.B., E.A. and S.D. designed the experiment. E.A. and S.D. built the platform and collected the data. E.A., S.D., R.K., J.S. and A.S. analysed the data. E.A., S.D., R.K., J.S., J.H., A.S., J.-F.B. and I.R interpreted the results and wrote the paper.

Corresponding authors

Correspondence to Azim Shariff or Jean-François Bonnefon or Iyad Rahwan.

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The authors declare no competing interests.

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Awad, E., Dsouza, S., Kim, R. et al. Reply to: Life and death decisions of autonomous vehicles. Nature 579, E3–E5 (2020).

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