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Walter Sinnott Armstrong on AI and Morality

2024/6/14
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Walter Sinnott Armstrong: 人工智能的定义应广泛涵盖机器学习过程,即机器设定目标并学习改进实现目标的方法。构建人工智能道德体系面临挑战,单一道德体系(如功利主义或康德主义)难以满足所有人的需求。从下往上的方法,即从互联网数据中学习人类道德行为和价值观,存在吸收人类偏见的风险,且难以解释人工智能的决策过程。因此,最佳方法是结合自上而下和自下而上的方法,即混合方法。该方法需要识别道德相关的特征,并通过冲突情境来收集人们的意见,从而构建预测模型。该模型允许一定程度的地域差异,但必须设置限制以避免不公正,例如种族歧视。即使人工智能给出了道德决策,个人仍然可以表达不同意见并试图说服他人。在专业领域,专家的意见应该比普通人的意见更有权重,因为他们拥有更多相关知识。但如果专家和普通人都拥有充分的信息,那么他们的意见应该具有同等权重。人工智能在道德决策中可以作为辅助工具,帮助医生做出更明智的决定,而不是直接取代医生的判断。人工智能可以为其道德决策提供理由,方便医生进行审查和讨论,从而避免道德错误。许多道德错误是可以避免的,人工智能可以帮助人们识别并纠正这些错误。将人工智能应用于医疗道德决策还需要时间进行完善,预计在未来十年内可能实现广泛应用。人工智能在道德决策方面的应用范围很广,例如在医疗、招聘和军事等领域都有潜力。 David Edmonds: (主要为引导性问题,未形成独立的论述)

Deep Dive

Key Insights

How does Walter Sinnott Armstrong define artificial intelligence?

Artificial intelligence is broadly defined as occurring whenever a machine learns something, as learning involves intelligence. It often involves the machine being given a goal and learning new and better means to achieve that goal.

What is the challenge of programming AI with human morality?

The challenge lies in choosing which moral principles to program into the AI, as different ethical systems like utilitarianism and Kantian ethics conflict. There is no consensus on which moral system should dictate the AI's decisions.

What is the hybrid approach to introducing ethics into AI?

The hybrid approach combines top-down principles with bottom-up data collection. It involves asking people which moral features matter in a situation, refining those features, and building conflicts to train the AI to predict human moral judgments.

How does AI handle moral dilemmas like kidney allocation?

AI collects features that matter to people, such as age, dependents, or criminal records, and predicts which patient should receive a kidney based on these factors. It can also confirm or challenge a doctor's decision, aiding in the decision-making process.

What are the limitations of using AI for moral decision-making?

AI can inherit human biases from data, and its decision-making process is often a 'black box,' making it difficult to understand the reasoning behind its conclusions. Additionally, local values and expertise must be considered to ensure fairness.

How far are we from using AI for ethical decisions in hospitals?

While AI is already used in some kidney transplant centers for medical efficiency, integrating moral considerations is still in development. Walter Sinnott Armstrong estimates it could take about 10 years for such systems to be refined and widely adopted.

What are potential applications of ethics in AI beyond healthcare?

AI can be applied to dementia care, hiring decisions to ensure fairness regarding gender and race, and even military operations. These applications aim to introduce moral considerations into various decision-making processes.

Chapters
This chapter explores the challenges of programming human morality into AI, discussing the limitations of top-down and bottom-up approaches. It introduces the core problem of defining AI and integrating ethics into its decision-making processes, highlighting the complexities and biases involved.
  • Defining AI broadly as machines that learn and achieve goals.
  • Challenges of top-down (pre-programmed ethics) and bottom-up (learning from internet data) approaches.
  • The issue of human biases in AI algorithms.
  • The "black box" problem of understanding AI decision-making processes.

Shownotes Transcript

Can AI help us make difficult moral decisions? Walter Sinnott Armstrong explores this idea in conversation with David Edmonds in this episode of the Philosophy Bites podcast.