Case Studies in Practice: A CIE Year 12 Philosophy Workshop | 案例分析实战演练

📚 Case Studies in Practice: A CIE Year 12 Philosophy Workshop | 案例分析实战演练

This article serves as a comprehensive practical guide for Year 12 students tackling the CIE A Level Philosophy (9696) examination. Through step-by-step breakdowns of real philosophical case studies — from Gettier problems to trolley dilemmas — you will learn how to dissect arguments, expose hidden assumptions, evaluate logical validity, and apply ethical or epistemological theories with precision. The focus is on bridging the gap between passive knowledge and the high-level analytical writing required for top marks in both Paper 1 and Paper 2.

本文为备战 CIE A Level 哲学（9696）考试的 Year 12 学生提供一份完整的实战指南。通过一步步拆解真实的哲学案例——从盖梯尔问题到电车难题——你将学会如何剖析论证、揭示隐藏预设、评价逻辑有效性，并精准运用伦理学或知识论理论。本文的核心目标是弥合被动知识与高水平分析写作之间的鸿沟，帮助你在一卷和二卷中冲击高分。

1. What is a Philosophical Case Study? | 什么是哲学案例分析？

In CIE Philosophy, a case study is usually a short scenario or thought experiment designed to test a philosophical theory or concept. It is not merely a story but a carefully constructed argument that contains premises, a conclusion, and often hidden assumptions. Your task is to identify these components, evaluate their strength, and relate them to the theories you have studied, such as utilitarianism, deontology, the tripartite definition of knowledge, or the problem of evil.

在 CIE 哲学中，案例分析通常是用来检验某一哲学理论或概念的简短情境或思想实验。它不仅仅是一个故事，而是一个精心构建的论证，包含前提、结论，且往往隐藏着预设。你的任务是识别这些成分，评价其力度，并将其与你学过的理论（如功利主义、义务论、知识的三要素定义或恶的问题）联系起来。

For example, the famous ‘Smith and Jones’ case from Edmund Gettier challenges the idea that knowledge is simply justified true belief. The scenario provides a counterexample where someone has a belief that is both true and justified, yet most philosophers agree it does not count as knowledge. Analysing this case reveals the subtle conditions required for knowledge.

例如，埃德蒙·盖梯尔著名的“史密斯与琼斯”案例挑战了“知识就是确证的真信念”这一观点。该情境提供了一个反例：某人持有一个既真实又得到确证的信念，但多数哲学家认为这并不算作知识。分析这一案例便能揭示知识所需的微妙条件。

2. Step 1: Identify the Argument and Its Structure | 第一步：识别论点与结构

Begin by reading the case carefully and extracting the core argument. Ask yourself: what is the main conclusion the scenario is trying to establish? What reasons (premises) are offered in support? Often, the argument is an enthymeme — a syllogism with an unstated premise that you will later need to expose. Write out the argument in standard form: Premise 1, Premise 2, therefore Conclusion.

仔细阅读案例，提取核心论证。先问自己：该情境试图确立的主要结论是什么？提供了哪些理由（前提）来支持？通常，论证是一个省略三段论，即含有一个未言明的前提，你随后需要将其揭露。用标准格式写出论证：前提 1、前提 2，因此结论。

Consider a simple ethics case: ‘Sophie lied to protect her friend from a harmful truth; therefore, Sophie acted morally.’ Before evaluating, you must reconstruct precisely why the arguer thinks lying is justified here. The hidden premise might be ‘protecting someone from psychological harm always justifies deception’. Turning a narrative into a clear logical skeleton is the first and most vital skill.

以一个简单的伦理学案例为例：“苏菲为了不让朋友受到真相的伤害而说谎；因此，苏菲的行为是道德的。”在评价之前，你必须精确重建论证者为何认为此处说谎是合理的。隐含的前提可能是“保护他人免受心理伤害总能证明欺骗的正当性”。将叙述转变为清晰的逻辑骨架是首要且至关重要的技能。

3. Step 2: Scrutinise the Truth of the Premises | 第二步：检验前提的真实性

Once the argument structure is laid out, examine each premise for its truth or plausibility. A deductively valid argument can still be unsound if one or more premises are false. For instance, in an argument about the existence of God based on design, a premise might state ‘every complex object with a purpose has a designer’. You would then question this by pointing to natural selection, which produces complex, purposeful organisms without a conscious designer.

一旦勾勒出论证结构，就要逐一审视每个前提是否真实或可信。一个演绎有效的论证，如果其中一个或多个前提为假，仍然可能不可靠。例如，在设计论证中，一个前提可能表述为“每一个有目的的复杂物体都有一个设计者”。你可以通过指出自然选择产生复杂、有目的的生物体却无需有意识的设计者，来质疑这一前提。

When dealing with thought experiments, premises are often conditional claims. Test them by considering counterexamples. If a premise says ‘If an action produces the greatest happiness for the greatest number, it is right’, you could ask: does this hold in a scenario where the happiness of the many is built on the extreme suffering of an innocent minority? This method of systematic doubt is exactly what examiners reward under AO2 (Assessment Objective 2).

处理思想实验时，前提往往是条件性主张。通过设想反例来检验它们。如果一个前提是“如果某个行为能为最大多数人带来最大幸福，它就是对的”，你可以追问：在多数人的幸福建立在无辜少数人的极端痛苦之上的情境中，这一点还能成立吗？这种系统性怀疑的方法正是考官在 AO2（评价客观目标）下所嘉许的。

4. Step 3: Evaluate Logical Validity and Formal Patterns | 第三步：评价逻辑有效性与形式模式

Even if all premises are true, an argument may fail because the conclusion does not logically follow. In CIE Philosophy, you are expected to recognise common valid and invalid argument forms. For example, modus ponens is valid:

即使所有前提都为真，论证仍可能因为结论不必然从前提推出而失败。在 CIE 哲学中，你需要识别常见的有效与无效论证形式。例如，肯定前件式是有效的：

P → Q, P, ∴ Q

But a similar-looking form, the fallacy of affirming the consequent, is invalid:

但一种看起来类似的形式——肯定后件的谬误——则是无效的：

P → Q, Q, ∴ P

Many case studies hinge on such flawed deductive steps. Recognising them allows you to state precisely why a conclusion remains unjustified. Use simple symbols (P, Q) to flag the logical error, which demonstrates technical competence and boosts your AO2 marks.

许多案例分析都建立在这样有缺陷的演绎步骤上。识别出它们，你就能精确地说明为何结论仍不成立。运用简单符号（P、Q）点明逻辑错误，可以展现出专业能力，提升你的 AO2 得分。

5. Step 4: Uncover Hidden Assumptions and Presuppositions | 第四步：发现隐藏的假设与预设

Nearly every philosophical case study contains implicit assumptions that need to be brought into the open. An argument against moral relativism, for instance, might assume that ‘if there is no universal moral truth, moral disagreement would be impossible’. Exposing this assumption reveals it is far from obvious, since relativists can happily accept that people disagree precisely because no single truth exists.

几乎每一个哲学案例分析都包含着需要被揭示的隐含假设。例如，一个反对道德相对主义的论证可能会假定“如果没有普遍的道德真理，道德分歧就不可能存在”。揭露这一假设后就会发现它远非显而易见，因为相对主义者完全可以认为，正是因为不存在单一真理，人们才会产生分歧。

To identify hidden presuppositions, ask ‘what must the arguer believe for the reasoning to work?’ and ‘could this scenario be re-described without the built-in bias?’ In a mind-body dualism case where someone claims ‘I can imagine my mind existing without my body’, the presupposition is that ‘whatever is conceivable is logically possible’. However, this is a controversial metaphysical premise that cannot simply be taken for granted. Pointing this out turns a simple assertion into a substantial debate.

要找出隐藏的预设，你可以问自己：“论证者必须相信什么，该推理才能成立？”以及“这一情境能否在不带预设偏见的情形下被重新描述？”在某个心身二元论的案例中，某人声称“我可以想象我的心智脱离肉体存在”，其预设便是“凡可想象的，在逻辑上就是可能的”。然而，这是一个充满争议的形而上学前提，不能视为理所当然。点明这一点，就能将一个简单的断言转化为实质性的论辩。

6. Step 5: Identify Informal Fallacies | 第五步：辨别非形式谬误

Beyond formal logical errors, many case studies contain informal fallacies that undermine their persuasive force. Common ones examined at AS Level include the ad hominem fallacy (attacking the person, not the argument), the slippery slope, and the false dilemma. A case might present only two extreme options, such as ‘either we ban all genetic research, or we accept designer babies’, forcing a stark choice where a spectrum of intermediate regulations exists. Recognising the false dilemma demonstrates evaluative flair.

除了形式逻辑错误，许多案例分析还包含削弱其说服力的非形式谬误。AS 阶段常考的有：人身攻击谬误（攻击人而非论证）、滑坡谬误和假两难谬误。一个案例可能只给出两个极端选项，例如“要么我们禁止所有基因研究，要么我们接受设计婴儿”，强行造就一个非此即彼的选择，而实际上存在着许多折中的监管方案。识别出假两难谬误能展现你的评价能力。

When you spot a fallacy, do not simply label it. Explain how the fallacy operates in the context: why does the superficial appearance of reasoning collapse under scrutiny? For example, in a religious experience case, the argument may beg the question by assuming that the experience’s cause was divine from the outset. Unpacking this circularity shows deep evaluative insight.

当你发现某个谬误时，不要只贴标签。要解释该谬误在此语境中如何运作：为什么表面上的推理经不起推敲？例如，在宗教经验案例中，论证可能从一开始就假定经验的起因是神圣的，从而犯下乞题谬误。拆解这一循环论证能展现出深刻的评价洞察力。

7. Step 6: Apply Relevant Theories to the Case | 第六步：运用相关理论进行分析

Having deconstructed the argument, you now need to bring in the philosophical theories you have studied to assess it. Suppose the case involves a whistle-blower leaking classified documents for public safety. You might apply Kantian deontology: is the act of lying or deception ever permissible, even for a good end? Under Kant’s categorical imperative, the maxim cannot be universalised, so the act would be deemed immoral. Alternatively, using act utilitarianism, you calculate the overall happiness produced and conclude the leak is justified. A top-tier answer will contrast at least two theories and use their clash to illuminate the deeper problem.

拆解完论证后，你需要运用学过的哲学理论来加以评估。假设案例涉及一名举报者为公共安全泄露机密文件。你可以运用康德义务论：即使为了好的目的，说谎或欺骗的行为是否可允许？根据康德的绝对命令，该行为的准则无法普遍化，因此会被视为不道德。换作行为功利主义，你计算所产生的总体幸福后可能得出结论：泄密是正当的。高水平的答案会对比至少两种理论，并利用它们的冲突来揭示更深层的问题。

Make sure your application is precise. Instead of a vague reference to ‘utilitarianism’, specify whether you are using Bentham’s hedonic calculus or Mill’s higher pleasures distinction, and how the shift in interpretation changes the evaluation. This fine-grained analysis is what separates a B-grade essay from an A-grade one.

务必确保运用准确。不要含糊地提及“功利主义”，而要具体说明你采用的是边沁的快乐计算法，还是密尔的高等快乐区分，以及理解方式的变化如何改变了评价结论。这种精细的分析正是区分 B 等与 A 等论文的关键。

8. Case Practice: Gettier’s Counterexample | 案例演练：盖梯尔反例

Let us now apply this framework to a classic epistemological case: the Gettier problem. The case can be summarised as follows: Smith has excellent evidence that Jones will get a job (the company president told him so). Smith also believes that Jones has ten coins in his pocket, having just counted them. Smith then forms the believed proposition: ‘The man who will get the job has ten coins in his pocket.’ Unbeknownst to Smith, he himself gets the job and, coincidentally, also has ten coins in his pocket. Smith’s belief is thus true and justified, yet we hesitate to call it knowledge. Your task in an exam is to explain why this undermines the justified-true-belief (JTB) account of knowledge.

现在，我们将这一框架应用到一个经典的知识论案例：盖梯尔问题。该案例可概括如下：史密斯有充分证据相信琼斯会得到那份工作（公司总裁告诉了他）。史密斯还相信琼斯口袋里有十个硬币，因为他刚刚数过。于是史密斯形成了一个信念：“那个将得到工作的人口袋里有十个硬币。”史密斯不知道的是，最终是他自己得到了工作，且碰巧他口袋里也有十个硬币。因而，史密斯的信念是真且确证的，但我们却不愿称之为知识。你在考试中的任务就是解释为什么这动摇了知识的确证真信念（JTB）理论。

Step 1 – Structure: Smith infers a general proposition from a particular instance that happens to be true of him too, but his line of reasoning relies on a false lemma (that Jones will get the job).
步骤 1——结构：史密斯从一个特定事例推断出一个一般性命题，而该命题恰巧对他自己也成立，但他的推理路径依赖了一个假前提（即琼斯会得到工作）。

Step 2 – Hidden Assumption: The presupposition is that a belief formed via a false intermediate belief cannot count as knowledge, even if the final belief is true and justified. Gettier implicitly challenges the sufficiency of JTB by showing that justification can be defective in an undetected way.
步骤 2——隐藏预设：其预设是，经由一个虚假中间信念而形成的信念不能算作知识，即便最终信念为真且得到确证。盖梯尔隐晦地质疑了 JTB 的充分性，显示出确证可以以未被察觉的方式存在缺陷。

Step 3 – Theoretical Evaluation: You might introduce the ‘No False Lemmas’ response: knowledge is justified true belief where the justification does not depend on any falsehood. But then show that this response faces its own counterexamples, such as the fake barn case, reinforcing the depth of the Gettier problem.
步骤 3——理论评价：你可以引入“无假前提”回应：知识是不依赖任何虚假前提的确证真信念。但接着又可指出该回应也面临自身的反例，比如假的谷仓案例，从而强化盖梯尔问题的深度。

9. Case Practice: The Trolley Problem and Utilitarian Calculation | 案例演练：电车难题中的功利权衡

The trolley problem is a staple in ethics. A runaway trolley is heading toward five people tied to the track. You can pull a lever to divert it to a sidetrack, but one person is tied there. Act utilitarianism appears to straightforwardly mandate pulling the lever, since it saves five lives at the cost of one. However, deeper analysis reveals complexities the case can probe: what if the one person is a leading cancer researcher, or what if you must physically push a large man off a bridge to stop the trolley? The lesson is that the sheer numbers do not settle the moral question without further principles.

电车难题是伦理学中的经典案例。一辆失控的电车正冲向被绑在轨道上的五个人。你可以拉动扳道器将电车引向岔道，但岔道上绑着一个人。从行动功利主义来看，答案似乎很直接：拉动扳道器，以一条命换五条命。然而，深入分析会揭示出该案例可探究的复杂性：如果那一个人是顶尖的癌症研究员呢？或者，如果你必须亲手将一个胖男人推下天桥来阻止电车呢？其中的教训在于，光凭数字并不能在没有进一步原则的情况下解决道德问题。

In your answer, distinguish between direct and indirect utilitarianism, and contrast the utilitarian outcome with a deontological position that forbids using a person merely as a means. To achieve top AO2 marks, argue that the intuition shift from lever to push case suggests either a deeper principle like double effect or reveals an inconsistency in utilitarian reasoning. The aim is not to solve the problem but to demonstrate the sophistication of your philosophical reasoning.

在你的答案中，要区分直接功利主义与间接功利主义，并将功利主义的结果与禁止仅把人当作手段的义务论立场加以对比。要拿到高 AO2 分数，需要论证从拉杆案例到推人案例的直觉转变，要么暗示某个更深层原则（如双重效果原则），要么揭示了功利推理中的不一致。目的不在于解决问题，而在于展现你哲学推理的精密程度。

10. Case Practice: Pascal’s Wager and Its Critical Flaws | 案例演练：帕斯卡赌注的批判

Pascal’s Wager presents an apparently rational case for believing in God based on expected value: if you believe and God exists, you gain infinite reward (heaven); if you believe but God does not exist, you lose little; if you do not believe and God exists, you face infinite punishment; if you do not believe and God does not exist, you gain little. This decision matrix seems to favour theism. Your job is to dismantle this case from multiple angles.

帕斯卡赌注给出了一个看似理性的信仰上帝的理由，其依据在于期望值：如果你相信且上帝存在，你获得无限奖赏（天堂）；若你相信而上帝不存在，你损失甚微；若你不信而上帝存在，你将面临无限惩罚；若你不信且上帝不存在，你所得甚小。这一决策矩阵似乎支持有神论。你的任务是从多个角度拆解这一案例。

Hidden Assumption 1: That there is only one possible god to wager on. The many-gods objection asks: what if you choose the wrong god? You may still face eternal punishment, making the wager an infinite-risk game regardless. Hidden Assumption 2: That sincere belief can be chosen by a pure act of will. Voluntarism about belief is contested — can you really make yourself believe something just because it pays? Exposing these assumptions is more fruitful than simply rejecting the premise of an afterlife because it belongs to the context of the argument.

隐藏预设 1：只有一位可以下注的神。多神反驳指出：如果你选错了神怎么办？你仍可能面临永罚，使赌注变成一场无论如何都有无限风险的游戏。隐藏预设 2：真诚的信仰可以通过纯粹的意志行为来选择。关于信念的自愿主义饱受争议——你真的能够仅因有利可图就使自己相信某事吗？揭露这些预设，比单纯拒斥来世这个前提更有成效，因为后者属于论证的语境设定。

Evaluative points: use the ‘finite/infinite’ disanalogy to show that infinite utilities break normal decision theory. Also, note that the wager requires a purely prudential motive, which many religions would deem insufficient for genuine faith. A high-band answer weaves together objections to demonstrate that the wager is not a successful argument for belief.

评价要点：运用“有限/无限”的不类比来说明，无限的效用会打破正常的决策理论。还要指出，该赌注要求完全自利的动机，而许多宗教会认为这不足以构成真正的信仰。高分段答案会将各种反对意见编织在一起，以证明帕斯卡赌注并非一个成功的信仰论证。

11. Exam Response Template and Marking Insights | 考试答题模板与评分技巧

When structuring your exam answer, a clear template enhances both clarity and time management. For a 25-mark ‘analyse and evaluate’ question on a case study, you could follow this plan: a brief introduction that identifies the philosophical issue and the core conclusion of the case; a paragraph reconstructing the argument with numbered premises; a section challenging the premises and exposing assumptions; a section evaluating logical validity and fallacies; a section applying contrasting theories (e.g., Mill vs. Kant); and a final evaluative judgement that weighs the success of the case in achieving its aim. This structure directly addresses AO1 (demonstrating knowledge) and AO2 (analysis and evaluation).

构建考试答案时，清晰的模板能提升清晰度并优化时间管理。对于一篇 25 分的案例分析“分析与评价”题，你可以遵循以下计划：简短引言指出哲学议题和案例的核心结论；一个段落用编号前提重构论证；一部分挑战前提并揭露预设；一部分评价逻辑有效性和谬误；一部分运用对比理论（如密尔 vs. 康德）；最后给出一个评价性判断，权衡该案例在达成其目标方面的成功程度。这一结构直接回应了 AO1（展示知识）和 AO2（分析与评价）。

Assessment Objective	What it means in a case study	Key action
AO1 (Knowledge & Understanding)	Accurate recall of theories, case details, and technical vocabulary.	Define JTB, Utilitarianism, Categorical Imperative, etc., and quote the case accurately.
AO2 (Analysis & Evaluation)	Critical engagement: does the case succeed? What are its limitations? Which alternative theory handles the problem better?	Competing interpretations, counter-arguments, weighing up the strength of the case in a final verdict.

评价目标 | 在案例分析中的含义 | 关键动作

AO1（知识与理解）| 准确回忆理论、案例细节和专业术语。| 定义 JTB、功利主义、绝对命令等，并准确引用案例。

AO2（分析与评价）| 批判性参与：案例成立吗？有哪些局限？另一种理论是否更好地处理问题？| 竞争性诠释、反驳论证、最终评判中权衡案例的说服力。

Time management is crucial. Spend roughly 5 minutes planning, 30 minutes writing, leaving 5 minutes to review logic and spelling. In the plan, jot down the logical skeleton and two competing theoretical angles, as this prevents you from wandering off-topic mid-essay.

时间管理至关重要。花大约 5 分钟规划，30 分钟写作，留 5 分钟检查逻辑和拼写。规划时，草草写下逻辑骨架和两个对立的理论视角，这能防止你在文章中段跑题。

12. Conclusion: From Analysis to High-Level Evaluation | 总结：从分析到高水平评价

Mastering case study analysis in CIE Philosophy is a matter of deliberate practice and methodological discipline. Begin by dissecting the logical structure, then move outward to challenge truth, validity, and hidden presuppositions. The final layer — and the one that earns the highest marks — is the application of contrasting philosophical theories to show that you grasp not only how the case works but why it remains a live, unresolved problem in philosophy. As you practise, remember that every case study is an invitation to display your independent critical thinking. Approach it with curiosity, and your answers will stand out.

掌握 CIE 哲学中的案例分析，关键在于刻意练习和方法上的自律。从拆解逻辑结构入手，再向外挑战真实性、有效性和隐藏预设。最后一层——也是最得高分的一层——是运用对立的哲学理论，以展示你不仅理解该案例如何运作，更理解它为何在哲学中仍是一个活跃的、悬而未决的问题。在练习中，请记住每一个案例分析都是一次展现你独立批判性思维的机会。带着好奇心去处理它，你的答案就会脱颖而出。

By following the steps outlined here and consistently practising with past paper scenarios, you will transform from a passive note-taker into an active philosophical inquirer — exactly the intellectual profile that CIE examiners are trained to reward.

通过遵循本文列出的步骤并持续用历年真题情境练习，你将从被动的笔记记录者转变为积极的哲学探究者——这正是 CIE 考官被训练来奖赏的学术素质。

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Case Studies in Practice: A CIE Year 12 Philosophy Workshop | 案例分析实战演练