📚 AS CIE Politics: Mastering Case Study Analysis | AS CIE 政治：案例分析实战演练
Case study questions form the core of Cambridge International AS Level Politics papers, requiring you to apply theoretical knowledge to real-world political events. Mastering these questions is essential for achieving high marks, as they test your ability to analyse sources, evaluate evidence, and construct balanced arguments. In this revision guide, we will walk through a series of practical exercises, complete with model answers and examiner tips, enabling you to tackle any case study with confidence.
案例分析题是剑桥国际 AS Level 政治考试的核心，要求你将理论知识应用于真实世界的政治事件。掌握这类题型对于取得高分至关重要，因为它们考查你分析材料、评估证据和构建平衡论点的能力。在这份复习指南中，我们将通过一系列实战练习，配以参考答案和考官提示，让你能够信心十足地应对任何案例分析。
1. Understanding Case Study Questions in AS CIE Politics | 理解 AS CIE 政治中的案例分析题型
In AS CIE Politics, case study questions are typically found in Section A of Paper 1 (UK Politics) or Paper 2 (International Relations). You will be given a short extract from a speech, a newspaper article, polling data, or a treaty excerpt, followed by three sub-questions worth around 26 marks in total. The progression tests your comprehension, application, and evaluation skills.
在 AS CIE 政治中，案例分析题通常出现在卷一（英国政治）或卷二（国际关系）的 A 部分。你会看到一篇简短的摘录，可能来自演讲、报刊文章、民调数据或条约节选，并需要回答三个小问，总分约 26 分。这种递进设计考查你的理解、应用和评估能力。
A typical structure is: (a) “Using the source, identify/explain …” (4-6 marks), (b) “Using the source and your own knowledge, compare …” (8-10 marks), and (c) “Discuss the view that …” (10-12 marks). This format requires you to extract key phrases from the source, link them to political concepts, and then build an extended argument with a balanced conclusion.
典型的结构是：(a) “利用材料，指出/解释……”（4-6分），(b) “利用材料和你的知识，比较……”（8-10分），(c) “讨论以下观点……”（10-12分）。这种格式要求你从材料中提取关键词句，与政治概念挂钩，然后构建一个带有平衡结论的扩展论证。
2. Decoding the Mark Scheme: What Examiners Want | 解码评分标准：考官想要什么
Examiners use three Assessment Objectives (AOs) to award marks: AO1 (Knowledge and Understanding), AO2 (Application and Analysis), and AO3 (Evaluation). In case study questions, you must demonstrate accurate knowledge of political terms, apply them to the source material, and weigh competing viewpoints to reach a reasoned judgement.
考官依据三个评估目标（AOs）给分：AO1（知识与理解）、AO2（应用与分析）和 AO3（评估）。在案例分析题中，你必须展现出对政治术语的准确掌握，将其应用到材料中，并权衡相左观点以得出有理有据的判断。
| AO | What It Requires | 要求 |
|---|---|---|
| AO1 | Define key concepts (e.g. mandate, legitimacy, sovereignty) accurately | 准确定义关键概念（如授权、合法性、主权） |
| AO2 | Apply concepts to the source; select relevant evidence and explain how it supports a point | 将概念应用于材料；选取相关证据并解释如何支撑论点 |
| AO3 | Evaluate by considering strengths and weaknesses, counter-arguments, and arriving at a substantiated conclusion | 通过考量优缺点、反驳论点并给出有依据的结论来进行评估 |
Top-scoring scripts do not just list facts; they integrate source evidence with own knowledge to construct a fluent analysis. For part (c), always offer a clear “on the one hand … on the other hand …” structure and a final judgement that directly addresses the question.
高分的答卷不只罗列事实；它们将材料证据与自身知识结合起来，构建流畅的分析。对于 (c) 问，总是采用 “一方面……另一方面……” 的清晰结构，并给出直接回应题问的最终判断。
3. Essential Political Concepts for Case Studies | 案例分析必备政治概念
Before tackling any source, you must have a firm grasp of core AS political concepts. Below is a quick reference table with brief definitions. Keep these concepts at your fingertips to quickly identify which ones are relevant to the case.
在处理任何材料之前，你必须牢牢掌握 AS 核心政治概念。下面是一个包含简要定义的速查表。熟记这些概念，以便快速识别哪些与案例相关。
| Concept | Definition | 概念 | 定义 |
|---|---|---|---|
| Mandate | The authority to carry out a policy, derived from an election victory. | 授权 | 因赢得选举而获得的施政权力。 |
| Legitimacy | The right and acceptance of an authority, often conferred by democratic elections or consent. | 合法性 | 权威被接受和认可的权利，常由民主选举或同意赋予。 |
| Parliamentary Sovereignty | The principle that Parliament is the supreme legal authority in the UK, capable of creating or ending any law. | 议会主权 | 议会是英国最高法律权威，可制定或废除任何法律的原则。 |
| Devolution | The transfer of powers from central government to regional governments (e.g. Scotland, Wales). | 权力下放 | 将权力从中央政府转移至地区政府（如苏格兰、威尔士）。 |
| Direct vs Representative Democracy | Direct democracy involves citizens making decisions (e.g. referendums); representative democracy involves electing representatives to decide on their behalf. | 直接民主与代议制民主 | 直接民主由公民做决定（如公投）；代议制民主选举代表代为决定。 |
When you read a source, ask yourself: Is the topic about where power lies? Is it about the legitimacy of a decision? Is there a tension between direct and representative democracy? Answering these questions will help you select the appropriate concepts.
阅读材料时问自己：议题是否关乎权力归属？是否关乎决策的合法性？是否存在直接民主与代议制民主的张力？回答这些问题有助于你选取恰当的概念。
4. Case Study One: 2019 UK General Election – Source-Based Analysis | 案例一：2019 年英国大选——材料分析
Let us practise with a short source adapted from a post-election commentary. Imagine the source argues: “The 2019 election gave the Conservative Party a ‘clear mandate’ to ‘Get Brexit Done’, with the largest Tory majority since 1987. However, critics point out that only 43.6% of voters backed the Conservatives, while 52% supported parties that promised a second referendum.”
让我们练习一段摘自选后评论的简短材料。假设材料称：”2019 年大选为保守党提供了 ‘明确的授权’ 以 ‘完成脱欧’，这是自 1987 年以来最大的保守党多数优势。然而，批评者指出，只有 43.6% 的选民支持保守党，而 52% 支持承诺举行二次公投的政党。”
Part (a) – Using the source, explain the term ‘electoral mandate’. A strong answer would note that a mandate is derived from an election win, but must also reference the source’s conflicting data: the Tories won a decisive Commons majority, which is traditionally seen as a mandate, yet the popular vote suggests limited overall support. You must embed phrases like “clear mandate” and “Get Brexit Done” from the source.
(a) 部分——利用材料，解释 “选举授权” 一词。 一份有力的答案会指出授权源自选举胜利，但也必须提及材料中相互矛盾的数据：保守党赢得决定性的下院多数，这传统上被视为授权，但全国得票率表明整体支持有限。你必须嵌入材料中的短语，如 “明确的授权” 和 “完成脱欧”。
Part (b) – Compare the views expressed in the source about the legitimacy of the election result. You would set up a comparative paragraph highlighting that the source presents two competing interpretations: one emphasising the sheer majority in seats as a legitimate mandate, the other questioning legitimacy because of the popular vote split. Use your own knowledge of FPTP to explain how the electoral system tends to distort mandates.
(b) 部分——比较材料中关于选举结果合法性的观点。 你可以设置一个对比段落，强调材料呈现了两种相互矛盾的解释：一种强调议会席位的绝对多数是合法授权，另一种因全国得票率分裂而质疑合法性。利用你对简单多数制（FPTP）的知识，解释该选举制度如何倾向于扭曲授权。
Part (c) – Discuss the view that the 2019 general election provided a clear mandate for government policy. A balanced evaluation would acknowledge the constitutional tradition of equating a Commons majority with a mandate, but also bring in own knowledge: the declining share of the two-party vote, the impact of regional concentration, and FPTP’s winner’s bonus. A final judgement might state that while the mandate was procedurally valid, the substantive mandate was weaker than the seat tally suggests.
(c) 部分——讨论 2019 年大选是否为政府政策提供了明确授权。 一份平衡的评估会承认将下院多数等同于授权的宪政传统，但同时引入自身知识：两党总得票率下降、区域集中的影响，以及简单多数制带来的赢家红利。最终判断可以指出，尽管程序上授权有效，但实质授权比席位差距所显示的更薄弱。
5. Case Study Two: Brexit and Parliamentary Sovereignty | 案例二：英国脱欧与议会主权
Consider a source that quotes a legal scholar: “The Supreme Court’s Miller ruling reasserted that ‘Parliamentary sovereignty means that the government cannot trigger Article 50 without an act of Parliament’. Meanwhile, the 2016 referendum directly asked the people, seemingly bypassing Parliament.”
假设材料引用一位法律学者的话：”最高法院的米勒判决重申， ‘议会主权意味着政府不能在没有议会法案的情况下触发第50条’。与此同时，2016 年的公投直接向人民提出询问，似乎绕过了议会。”
This source sets up a classic clash between direct democracy (the referendum) and parliamentary sovereignty. To explain the term ‘parliamentary sovereignty’ using the source, you would define it and immediately link to the quote about the Miller ruling, which upheld the crown in parliament as the ultimate decision-maker. Then compare views: some argue the referendum expressed popular sovereignty, challenging the supremacy of parliament, while others insist that only parliament could enact the withdrawal.
这份材料设置了直接民主（公投）与议会主权之间的经典冲突。要利用材料解释 “议会主权” 一词，你需要先定义它，并立刻联系到关于米勒判决的引文，该判决维护了议会为最终决策者。然后比较观点：一些人认为公投体现了人民主权，挑战了议会至上地位，而另一些人则坚持只有议会才能实施脱欧。
An evaluation could discuss whether the UK’s constitutional principle of parliamentary sovereignty has been eroded by the growing use of referendums. You would note that legally parliament remains sovereign, but politically the popular vote carries immense legitimacy, making it difficult for MPs to resist. Use the source’s reference to the Miller case as evidence that the judiciary still guards parliamentary sovereignty.
评估可以讨论英国议会主权的宪法原则是否因公投使用的增加而被侵蚀。你可以指出，法律上议会仍保持主权，但政治上人民投票具有巨大的合法性，使得议员难以抗拒。用材料中提及米勒案作为证据，说明司法机构仍然守护着议会主权。
6. Case Study Three: Scottish Devolution and Independence Referendum | 案例三：苏格兰权力下放与独立公投
Imagine a source stating: “The Scotland Act 1998 transferred significant powers to Holyrood, yet the 2014 independence referendum was agreed by the UK Parliament, underlining the continuing sovereignty of Westminster. In 2023, the Supreme Court ruled that Holyrood cannot legislate for a second independence referendum without Westminster’s consent.”
设想材料称：”1998 年《苏格兰法》向荷里路德转移了大量权力，但 2014 年独立公投是由英国议会同意的，凸显了威斯敏斯特的主权持续未变。2023 年，最高法院裁定荷里路德未经威斯敏斯特同意不能就第二次独立公投立法。”
This case study is perfect for analysing devolution and sovereignty. For a part (a) question on ‘devolution’, you could highlight that devolution is not a granting of sovereignty; rather, the UK Parliament retains the legal right to amend or revoke devolved powers. The source explicitly notes that referendum consent was given by Westminster, thereby reinforcing that sovereignty remains at the centre.
这个案例非常适合分析权力下放与主权。针对关于 ‘权力下放’ 的 (a) 问，你可以强调权力下放并非主权的授予；相反，英国议会保留了修改或收回下放权力的法律权利。材料明确指出公投同意系由威斯敏斯特所给予，从而强化了主权仍掌握在中央。
7. Comparative Questions: Linking Two Case Studies | 比较类问题：联系两个案例
High-mark questions often ask you to compare two case studies, for example comparing the 2016 Brexit referendum and the 2014 Scottish independence referendum in terms of their impact on political legitimacy. To craft a top-level answer, you must find a common theme (direct democracy versus representative institutions), then show how the two cases offer contrasting outcomes or lessons.
高分题常要求你比较两个案例，例如比较 2016 年脱欧公投和 2014 年苏格兰独立公投对政治合法性的影响。要写出高水平答案，你必须找到一个共同主题（直接民主与代议制机构），然后展示两个案例如何提供迥异的结果或教训。
Structure: Begin with a sentence that both referendums were exercises in direct democracy, yet their constitutional implications diverged. Use evidence from each source: Brexit led to a clash between popular will and parliamentary sovereignty, while the Scottish referendum, though initially reinforcing Westminster’s authority, generated demands for a second vote. Make explicit comparisons, e.g. “Whereas the Brexit referendum was advisory in law but politically binding, the 2014 Scottish vote was explicitly agreed to be binding, illustrating …”
结构：以一句话开头，说明两次公投都是直接民主的实践，但其宪政影响却大相径庭。使用各自材料中的证据：脱欧导致民意与议会主权之间的冲突，而苏格兰公投虽然最初强化了威斯敏斯特的权威，却催生了二次投票的要求。进行明确的比较，例如 “脱欧公投在法律上虽为咨询性质但在政治上具有约束力，而 2014 年苏格兰投票明确约定具有约束力，这说明了……”
8. Crafting a High-Level Evaluation | 写出高水平的评估
For the 10-12 mark ‘Discuss’ question, a simple for-and-against list is not enough for top marks. You need a sustained evaluation that develops an overarching argument. Use phrases such as ‘on balance’, ‘the most compelling argument is … because …’, and ‘taken in context, the evidence suggests …’.
对于 10-12 分的 ‘讨论’ 题，简单罗列赞成和反对观点不足以拿到最高分。你需要进行持续的评估，形成一个统领全文的论点。使用诸如 ‘权衡之下’、’最具说服力的论点是……因为……’ 和 ‘结合语境，证据表明……’ 等表达。
For example, in evaluating whether the 2019 election delivered a stable mandate, your conclusion might be: “Ultimately, while the seat majority ensures short-term legislative stability, the fragmented popular vote and regional polarisation suggest a long-term legitimation problem that could weaken the government’s authority.” This shows you have weighed the evidence and provided a nuanced final judgement, not just a summary.
例如，在评估 2019 年大选是否带来稳定授权时，你的结论可以是：”归根结底，虽然席位多数确保了短期的立法稳定，但分散的全国得票和区域两极分化表明存在长期的合法性难题，可能削弱政府权威。” 这显示你权衡了证据并给出了细致入微的最终判断，而非只是总结。
9. Time Management and Structure Tips | 时间管理与答题结构技巧
Allocate your time according to the mark weighting. For a 26-mark case study section, you have approximately 35-40 minutes. Spend 5 minutes reading the source actively – highlight key phrases and note which political concepts they relate to. Then allocate 5-7 minutes for part (a), 10-12 for part (b), and 15 for part (c). Leave 2-3 minutes to proofread.
根据分数权重分配时间。对于 26 分的案例分析部分，你大约有 35-40 分钟。花 5 分钟主动阅读材料——标出关键短语，并记下它们涉及哪些政治概念。然后分配 5-7 分钟给 (a) 问，10-12 分钟给 (b) 问，15 分钟给 (c) 问。留出 2-3 分钟检查。
For paragraph structure, use PEEL (Point, Evidence, Explanation, Link). Each main body paragraph should start with a clear point that directly responds to the question, followed by sourced evidence (quotation or paraphrase), then explanation of how the evidence supports your point using a political concept, and finally a mini-link back to the question. This keeps your answer focused and analytical.
段落结构采用 PEEL（观点、证据、解释、关联）。每个主体段落应以明确回应题问的观点开头，接着是来自材料的证据（引用或转述），然后解释证据如何运用政治概念支撑你的观点，最后简短回扣题问。这将使你的答案保持集中且富有分析性。
10. Practice Exercise with Model Answer | 实战练习与参考答案
Source extract: “Supporters of the UK’s uncodified constitution argue it allows for immense flexibility – the government’s response to COVID-19 was enacted swiftly through primary legislation. Critics retort that the lack of entrenched checks enabled the executive to bypass parliament, eroding accountability.”
材料摘录： “英国不成文宪法的支持者认为，它带来了极大的灵活性——政府对 COVID-19 的应对通过一级立法迅速实施。批评者反驳称，缺乏刚性制衡使行政部门得以绕过议会，侵蚀了问责制。”
Question (c): Discuss the view that the UK’s uncodified constitution creates more problems than it solves.
问题 (c)：讨论 ‘英国的不成文宪法造成的麻烦多于解决的问题’ 这一观点。
Model answer excerpt (English): On the one hand, the flexibility highlighted in the source allowed quick legislative action during a national emergency. This adaptability is a core strength of an uncodified constitution, as it avoids the rigidity seen in codified systems where formal amendments are slow. However, the source also reveals a key weakness: the executive can exploit this flexibility to circumvent parliamentary scrutiny, a danger amplified by the absence of a supreme constitutional text. On balance, while the uncodified constitution provides necessary responsiveness, it fails to provide robust safeguards against executive overreach unless checked by vigilant MPs and an independent judiciary. Therefore, the view is partially valid; the problems of accountability are significant, but they can be mitigated by political culture and judicial review, making the system workable
Published by TutorHao | AS 政治 Revision Series | aleveler.com
更多咨询请联系16621398022（同微信）
屏轩国际教育cambridge primary/secondary checkpoint, cat4, ukiset,ukcat,igcse,alevel,PAT,STEP,MAT, ibdp,ap,ssat,sat,sat2课程辅导，国外大学本科硕士研究生博士课程论文辅导