📚 Case Study Practice for Year 11 Edexcel Psychology | Year 11 Edexcel 心理学：案例分析实战演练
Welcome to your ultimate guide to mastering case studies for the Edexcel GCSE Psychology exam. This article will walk you through the key concepts, ethical considerations, and analytical skills you need to tackle any case study question with confidence. You will find practical examples and step-by-step breakdowns that mirror the style of exam questions.
欢迎来到爱德思 GCSE 心理学考试案例分析的终极指南。本文将带你梳理关键概念、伦理考量及分析技巧，帮助你自信应对任何案例分析题。你会看到贴近真题风格的实战示例与分步解析。
1. What is a Case Study? | 什么是案例研究？
A case study is an in-depth investigation of a single individual, group, or event. In psychology, case studies are used to gather rich, detailed data over a period of time, often combining multiple research methods such as interviews, observations, and questionnaires.
案例研究是对单个个体、群体或事件的深入调查。在心理学中，案例研究用于长期收集丰富详实的数据，通常会结合多种研究方法，如访谈、观察和问卷。
2. Key Features of a Case Study | 案例研究的关键特征
Case studies are idiographic – they focus on the unique details of a particular case rather than seeking to establish general laws. They typically use qualitative data, although quantitative measures may be included. The research often takes place in a natural setting, which increases ecological validity.
案例研究是特殊规律研究法——它们关注特定个案的特殊细节，而不是试图建立普遍规律。它们通常使用定性数据，但也可能包含定量测量。研究常在自然环境中进行，这提高了生态效度。
Another key feature is the longitudinal aspect. Many case studies follow the same subject over months or years, allowing researchers to track changes and development. This is especially useful when studying rare conditions or long-term interventions.
另一个关键特征是纵向视角。许多案例研究会持续数月或数年追踪同一对象，这让研究者能追踪变化与发展。在研究罕见病症或长期干预时尤其有用。
3. Case Studies in Edexcel Psychology | 爱德思心理学中的案例研究
In the Edexcel GCSE Psychology specification, case studies are covered under Research Methods. You need to understand what a case study is, how it is designed, and be able to evaluate its strengths and weaknesses. Questions may ask you to analyse a given case study or suggest improvements to the research design.
在爱德思 GCSE 心理学课程大纲中，案例研究属于研究方法部分。你需要理解什么是案例研究、如何设计案例研究，并能评估其优缺点。考题可能要求你分析一个给定的案例研究或提出研究设计的改进建议。
Examples from the course might include real-world cases like that of HM (Henry Molaison) or Little Hans, but you will not be required to recall specific details of these. Instead, you should focus on applying your knowledge of case study methodology to unfamiliar scenarios.
课程中可能涉及真实案例，如 HM（亨利·莫莱森）或小汉斯，但你不必记忆这些案例的具体细节。相反，你应该专注于将案例研究方法的知识应用于陌生的情境。
4. Designing a Case Study: Step-by-Step | 设计案例研究：逐步指南
Step 1: Identify a clear research aim. What exactly do you want to investigate? For example, you might aim to explore the impact of a specific brain injury on memory.
步骤 1：明确研究目的。你究竟想调查什么？例如，你可能希望探究特定脑损伤对记忆的影响。
Step 2: Select your participant(s). Because case studies often involve rare conditions, you may use opportunity sampling. Describe your participant(s) in detail, noting characteristics like age, gender, and relevant history.
步骤 2：选择参与者。由于案例研究常涉及罕见情况，你可能使用机会抽样。详细描述参与者，注明年龄、性别和相关病史等特征。
Step 3: Decide on data collection methods. Use a triangulation of methods – such as interviews with the participant and their family, direct observation, and psychometric tests – to enhance the validity of your findings.
步骤 3：确定数据收集方法。使用方法的三角验证——例如对参与者及其家人进行访谈、直接观察和心理测量——以增强结果的有效性。
Step 4: Plan your procedure. Outline how you will collect data, when and where sessions will take place, and how you will ensure ethical standards are met.
步骤 4：规划你的程序。概述如何收集数据、何时何地开展，以及如何确保伦理标准得到遵守。
5. Ethical Considerations | 伦理考量
When conducting a case study, you must follow the British Psychological Society (BPS) ethical guidelines. Key issues include informed consent, confidentiality, and the right to withdraw. Because case studies can reveal very personal information, protecting the participant's identity is crucial – often by using pseudonyms or initials.
开展案例研究时，必须遵循英国心理学会（BPS）的伦理准则。关键问题包括知情同意、保密和退出权。由于案例研究可能透露非常私密的信息，保护参与者身份至关重要——通常使用化名或首字母。
You also need to consider the potential for harm. Participants may feel distressed when discussing sensitive topics, so researchers must be prepared to offer support and terminate sessions if necessary. Debriefing is essential to explain the study's purpose and check on the participant's well-being.
同样需要考虑潜在伤害。参与者在讨论敏感话题时可能会感到痛苦，因此研究者必须准备好提供支持，并在必要时终止。事后解说是必不可少的，以解释研究目的并检查参与者的福祉。
6. Data Collection Methods | 数据收集方法
Case studies use a variety of methods to build a comprehensive picture. Common tools include unstructured interviews, which allow the participant to share their experience freely; structured observations, which provide systematic data; and questionnaires to gather quantitative measures such as mood ratings.
案例研究使用多种方法来构建全面图景。常用工具包括非结构化访谈，让参与者自由分享经历；结构化观察，提供系统性数据；以及问卷，收集如情绪评分等定量指标。
You might also examine existing records such as school reports, medical notes, or diaries. This secondary data can provide valuable historical context. The combination of methods is called methodological triangulation and helps to cross-validate findings.
你还可能查阅现有记录，如学校报告、医疗记录或日记。这些二手数据能提供有价值的历史背景。方法的结合称为方法三角验证，有助于交叉验证结果。
7. Analysing Qualitative Data | 分析定性数据
Qualitative data from case studies is typically non-numerical and requires interpretation. One common technique is thematic analysis: you read through transcripts or notes, identify repeated patterns (themes), and organise them into categories. For example, themes might include 'feelings of isolation' or 'coping strategies'.
案例研究中的定性数据通常是非数值的，需要解释。一种常用技术是主题分析：通读转录稿或笔记，找出重复模式（主题），并将其归类。例如，主题可能包括“孤独感”或“应对策略”。
When writing your analysis, it is important to use direct quotations from the participant to illustrate your themes. This adds credibility and depth. However, you must remain objective and avoid letting your own biases influence the interpretation.
在撰写分析时，引用参与者的原话来说明主题很重要。这增加了可信度和深度。但你必须保持客观，避免让自己的偏见影响解读。
8. Evaluating Strengths and Weaknesses | 评估优势与局限
Strengths: Case studies provide rich, detailed insights that may not be captured by experiments. They are especially valuable for studying unique or rare phenomena, such as brain damage or exceptional abilities. They also allow for the development of new hypotheses that can later be tested with larger samples.
优势：案例研究提供了丰富详细的洞察，这是实验可能无法捕捉的。它们在研究独特或罕见现象（如脑损伤或特殊才能）时尤其有价值。它们还能发展出新的假设，之后可用更大样本进行检验。
Weaknesses: Because case studies usually focus on one person or a small group, findings cannot be easily generalised to the wider population. Researcher bias is also a risk, as the investigator may become personally involved with the participant. The reliance on retrospective data can lead to inaccuracies in recall.
劣势：由于案例研究通常只关注一个人或小群体，其发现不易推广到更广泛人群。研究者偏见也是一个风险，因为研究者可能与参与者产生个人关联。依赖回顾性数据可能导致回忆不准确。
9. Practice Case Study: Memory | 实战案例：记忆
Scenario: John is a 15-year-old boy who suffered a rare brain infection that damaged his hippocampus. After recovery, John can remember his life before the illness perfectly, but he cannot form new long-term memories. He can hold a conversation and repeat a phone number immediately, but after a few minutes he forgets everything. A psychologist decides to conduct a case study to understand John's memory impairment.
情境：John 是一名 15 岁男孩，因罕见脑部感染导致海马体受损。康复后，John 能完全记住患病前的生活，但无法形成新的长期记忆。他能交谈并即时复述电话号码，但几分钟后就会忘记一切。一位心理学家决定进行案例研究，以了解 John 的记忆障碍。
Analysis guide: Link John's symptoms to the multi-store model of memory (MSM). His sensory register and short-term memory (STM) appear intact because he can repeat information immediately. However, the damage to his hippocampus – a key structure for transferring information from STM to long-term memory (LTM) – explains his inability to form new LTMs. This case supports the idea that STM and LTM are separate stores. You could also discuss how the case study's depth of detail helps us understand the specific role of the hippocampus, even though we cannot generalise from one individual.
分析指导：将 John 的症状与多存储记忆模型（MSM）联系起来。他的感觉登记器和短时记忆（STM）似乎完好，因为他能即时复述信息。然而，海马体——将信息从 STM 转入长时记忆（LTM）的关键结构——受损，解释了为何他无法形成新的 LTM。这个案例支持了 STM 和 LTM 是独立存储的观点。你还可以讨论该案例研究的详细深度如何帮助我们理解海马体的具体作用，尽管我们不能从单个个体进行泛化。
10. Practice Case Study: Social Influence | 实战案例：社会影响
Scenario: A researcher conducted a case study on a secondary school teacher, Mr. Evans, who routinely gave overly strict instructions to his students despite feeling uncomfortable about it. Through in-depth interviews, it emerged that Mr. Evans complied because the headteacher had established a very authoritarian culture. He feared losing his job if he did not enforce the rules. Students were also interviewed and reported feeling pressured to obey, even when they knew the tasks were unreasonable.
情境：研究者对中学教师 Evans 先生进行案例研究，他经常向学生下达过于苛刻的指令，尽管自己感到不安。通过深入访谈发现，Evans 先生之所以服从，是因为校长建立了非常专制的文化。他担心不执行规定会丢掉工作。学生也接受了访谈，报告说即使知道要求不合理，也感到被迫服从。
Analysis guide: This case illustrates the concept of obedience to authority and the influence of situational factors. You can apply agency theory—Mr. Evans shifted from an autonomous state to an agentic state, acting as an agent for the headteacher. The presence of a perceived legitimate authority and fear of punishment are key factors. The case study method allows us to explore the subjective experiences of both teacher and students, something that cannot be captured by a lab experiment. However, the uniqueness of this school setting limits generalisability.
分析指导：本案例展示了服从
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