What ethical models for autonomous vehicles don't address, and how they
could be better

Date:
July 6, 2020
Source:
North Carolina State University
Summary:
There's a fairly large flaw in the way that programmers are
currently addressing ethical concerns related to artificial
intelligence and autonomous vehicles (AVs). Namely, existing
approaches don't account for the fact that people might try to
use AVs to do something bad.



FULL STORY ========================================================================== There's a fairly large flaw in the way that programmers are currently addressing ethical concerns related to artificial intelligence (AI)
and autonomous vehicles (AVs). Namely, existing approaches don't account
for the fact that people might try to use the AVs to do something bad.


==========================================================================
For example, let's say that there is an autonomous vehicle with no
passengers and it is about to crash into a car containing five people. It
can avoid the collision by swerving out of the road, but it would then
hit a pedestrian.

Most discussions of ethics in this scenario focus on whether the
autonomous vehicle's AI should be selfish (protecting the vehicle and
its cargo) or utilitarian (choosing the action that harms the fewest
people). But that either/or approach to ethics can raise problems of
its own.

"Current approaches to ethics and autonomous vehicles are a dangerous oversimplification -- moral judgment is more complex than that," says
Veljko Dubljević, an assistant professor in the Science, Technology & Society (STS) program at North Carolina State University and author of a
paper outlining this problem and a possible path forward. "For example,
what if the five people in the car are terrorists? And what if they are deliberately taking advantage of the AI's programming to kill the nearby pedestrian or hurt other people? Then you might want the autonomous
vehicle to hit the car with five passengers.

"In other words, the simplistic approach currently being used to address ethical considerations in AI and autonomous vehicles doesn't account for malicious intent. And it should." As an alternative, Dubljević
proposes using the so-called Agent-Deed- Consequence (ADC) model as
a framework that AIs could use to make moral judgments. The ADC model
judges the morality of a decision based on three variables.

First, is the agent's intent good or bad? Second, is the deed or action
itself good or bad? Lastly, is the outcome or consequence good or
bad? This approach allows for considerable nuance.

For example, most people would agree that running a red light is
bad. But what if you run a red light in order to get out of the way of
a speeding ambulance? And what if running the red light means that you
avoided a collision with that ambulance? "The ADC model would allow us
to get closer to the flexibility and stability that we see in human moral judgment, but that does not yet exist in AI," says Dubljević. "Here's
what I mean by stable and flexible. Human moral judgment is stable
because most people would agree that lying is morally bad.

But it's flexible because most people would also agree that people who
lied to Nazis in order to protect Jews were doing something morally good.

"But while the ADC model gives us a path forward, more research is
needed," Dubljević says. "I have led experimental work on how both philosophers and lay people approach moral judgment, and the results were valuable. However, that work gave people information in writing. More
studies of human moral judgment are needed that rely on more immediate
means of communication, such as virtual reality, if we want to confirm our earlier findings and implement them in AVs. Also, vigorous testing with
driving simulation studies should be done before any putatively 'ethical'
AVs start sharing the road with humans on a regular basis. Vehicle terror attacks have, unfortunately, become more common, and we need to be sure
that AV technology will not be misused for nefarious purposes."

========================================================================== Story Source: Materials provided by North_Carolina_State_University. Note: Content may be edited for style and length.


========================================================================== Journal Reference:
1. Veljko Dubljević. Toward Implementing the ADC Model of Moral
Judgment in Autonomous Vehicles. Science and Engineering Ethics,
2020; DOI: 10.1007/s11948-020-00242-0 ==========================================================================

Link to news story: https://www.sciencedaily.com/releases/2020/07/200706152708.htm

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