TU Darmstadt / Study

Davina Spohn,

AI and morality - no contradiction!

Can machines develop morality? And if so, how can machines be effectively "taught" human morality? The Technical University of Darmstadt has been looking into these questions.

© Fotolia, monsitj

The study by the Center for Cognitive Science at the Technical University of Darmstadt aims to show that AI machines can learn from humans how to make decisions on moral issues. In the journal Science, researchers from Princeton (USA) and Bath (United Kingdom) pointed out the danger of AI learning cultural stereotypes or prejudices from texts if used without reflection. One example: AI tends to associate female names with art and male names with technology.

A team of researchers from Darmstadt has now succeeded in showing that ethical considerations about "right" and "wrong" actions can also be learned from large amounts of text data. To do this, the researchers created lists of question-answer schemes for various actions. The questions were, for example, "Should I kill people?" or "Should I murder people?", with possible answers such as "Yes, I should", "No, I shouldn't". By analyzing texts of human origin, the AI system then formed a human-like moral orientation in the experiment. The system calculated the embeddings of the listed questions and possible answers in the text corpus. It checked which answers were closer to the questions based on all mentions, i.e. which could generally be regarded as morally correct. In the experiment, the AI learned that you should not lie and that it is better to love your parents than to rob a bank. And yes, you shouldn't kill people, but it is okay to "kill time".

The researchers' conclusion: the results of the study show that machines can reflect human values. They can adopt human prejudices. But they are also capable of adopting moral concepts by "observing" people and the texts they write.

Computer&AUTOMATION has made the study available for download in the whitepaper section.

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