Enlarge / Judging moral weights (credit: Aurich Lawson | Getty Images)
When it comes to judging which large language models are the "best," most evaluations tend to look at whether or not a machine can retrieve accurate information, perform logical reasoning, or show human-like creativity. Recently, though, a team of researchers at Georgia State University set out to determine if LLMs could match or surpass human performance in the field of moral guidance.
In "Attributions toward artificial agents in a modified Moral Turing Test"—which was recently published in Nature's online, open-access Scientific Reports journal—those researchers found that morality judgments given by ChatGPT4 were "perceived as superior in quality to humans'" along a variety of dimensions like virtuosity and intelligence. But before you start to worry that philosophy professors will soon be replaced by hyper-moral AIs, there are some important caveats to consider.
Better than which humans?
For the study, the researchers used a modified version of a Moral Turing Test first proposed in 2000 to judge "human-like performance" on theoretical moral challenges. The researchers started with a set of 10 moral scenarios originally designed to evaluate the moral reasoning of psychopaths. These scenarios ranged from ones that are almost unquestionably morally wrong ("Hoping to get money for drugs, a man follows a passerby to an alley and holds him at gunpoint") to ones that merely transgress social conventions ("Just to push his limits, a man wears a colorful skirt to the office for everyone else to see.")
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