📚 Year 10 Eduqas Psychology: Case Study Practice Exercises | 案例分析实战演练
Welcome to a focused revision and practice session on case studies, one of the most powerful research methods in the Year 10 Eduqas GCSE Psychology specification. Case studies offer a uniquely detailed window into the lives of individuals or small groups, revealing how psychological concepts play out in the real world. In this article you will find clear explanations, real-world examples, and a series of practical exercises designed to sharpen your analytical and evaluative skills. Whether you are preparing for an end-of-topic test or your final exams, working through these drills will build your confidence and accuracy.
欢迎参加针对Year 10 Eduqas GCSE心理学大纲中案例研究这一重要研究方法的集中复习与实战演练。案例研究为我们提供了一个独特的窗口，可以详细观察个人或小群体的生活，揭示心理学概念如何在现实世界中展现。本文提供了清晰的解释、真实世界的例子以及一系列旨在提高你分析和评价能力的动手练习。无论你是在准备单元测验还是期末考试，认真练习这些内容都将增强你的信心和答题准确性。
1. Understanding Case Studies | 理解案例研究
A case study is an in-depth investigation of a single person, group or event. Unlike experiments that manipulate variables and use large samples, case studies gather rich, qualitative data often over a long period. For example, a psychologist may follow one patient with a rare memory disorder for several years to document every detail of their experience.
案例研究是对单一个人、群体或事件的深入调查。与操纵变量并使用大样本的实验不同，案例研究通常长时间收集丰富的质性数据。例如，心理学家可能会对一名患有罕见记忆障碍的病人进行数年的追踪，记录其经历的每一个细节。
In the Eduqas specification, you need to recognise that a case study is not simply a story — it is a scientific method. It may involve interviews, observations, questionnaires and even psychological tests. The key is the idiographic approach: focusing on the uniqueness of the individual rather than trying to generalise to everyone.
在Eduqas大纲中，你需要认识到案例研究不仅仅是一个故事——它是一种科学方法。它可能涉及访谈、观察、问卷甚至心理测验。关键是其个体化取向：关注个体的独特性，而不是试图推广到所有人。
2. Strengths of Case Studies | 案例研究的优势
Case studies provide a depth of understanding that other methods often cannot match. They allow researchers to investigate rare or unusual phenomena — for instance, a person who has recovered from a severe brain injury in a remarkable way. This detail can generate new hypotheses for future research.
案例研究提供了其他方法往往无法比拟的理解深度。它们使研究人员能够研究罕见或不寻常的现象——例如，一名以惊人方式从严重脑损伤中康复的人。这些细节可以为未来的研究提供新的假说。
Another strength is that case studies collect rich, qualitative data that preserves the complexity of human behaviour. The findings can challenge established theories and lead to paradigm shifts. For example, the case of HM in memory research revolutionised our understanding of the role of the hippocampus.
另一个优势是案例研究收集到丰富的质性数据，保留了人类行为的复杂性。其发现可能挑战既有理论并引发范式转变。例如，记忆研究中的HM案例彻底改变了我们对海马体作用的理解。
Furthermore, because case studies often take place in real-world settings, they have high ecological validity. The behaviour observed is more natural than behaviour recorded in an artificial laboratory.
此外，由于案例研究通常在真实环境中进行，它们具有较高的生态效度。所观察到的行为比在人工实验室中记录的行为更加自然。
3. Limitations of Case Studies | 案例研究的局限性
Despite their strengths, case studies have important limitations. The most obvious is that findings from a single case cannot be generalised to the wider population. A therapy that helps one person with a specific phobia may not work for others.
尽管案例研究有优势，但也有重要的局限性。最明显的是单个案例的发现不能推广到更广泛的人群。一种对某个有特定恐惧症的人有效的疗法可能对其他人无效。
Subjectivity is a major concern. The researcher may develop a close relationship with the participant, leading to bias in data collection and interpretation. Equally, the participant’s own memory and self-report may be inaccurate. This means the reliability of case studies is often low — a different researcher might reach a very different conclusion.
主观性是一个主要问题。研究人员可能与参与者建立密切关系，导致数据收集和解释中的偏见。同样，参与者自身的记忆和自我报告也可能不准确。这意味着案例研究的信度通常较低——不同的研究人员可能会得出截然不同的结论。
In addition, case studies are retrospective in many cases. Participants are often asked to recall past events, and memory is fallible. This can threaten the internal validity of the conclusions drawn.
此外，案例研究在许多情况下是回顾性的。参与者经常被要求回忆过去的事件，而记忆是会出错的。这可能威胁到所得结论的内部效度。
4. Ethical Considerations in Case Studies | 案例研究中的伦理考量
Ethics are particularly sensitive in case study research because the detailed descriptions can make participants identifiable, even if their names are changed. Informed consent must be obtained, but when studying people with severe cognitive impairments, gaining true consent can be difficult. Researchers often work with guardians or use presumptive consent.
案例研究中的伦理问题尤为敏感，因为详细的描述可能使参与者被识别出来，即使名字已更改。必须获取知情同意，但在研究患有严重认知障碍的人时，获得真正的同意可能很困难。研究人员通常与监护人合作或使用推定性同意。
Confidentiality and the right to withdraw are essential. Because the whole person is the focus, any publication must carefully protect their identity. In famous cases like Genie, ethical concerns have been raised about the blurred line between researcher and caregiver, with potential for exploitation.
保密权和退出权至关重要。因为整个人是研究的焦点，任何发表都必须谨慎保护其身份。在像Genie这样著名的案例中，人们对其研究人员与照护者之间模糊的界限以及潜在的剥削提出了伦理担忧。
It is also important to consider psychological harm. Repeated interviews about traumatic events could cause distress. Therefore, an ethics committee would scrutinise any case study proposal to ensure that the dignity and wellbeing of the person are prioritised over the pursuit of knowledge.
同样重要的是要考虑心理伤害。反复就创伤事件进行访谈可能会造成痛苦。因此，伦理委员会会仔细审查任何案例研究提案，以确保人的尊严和福祉优先于对知识的追求。
5. How Case Studies Differ from Experiments | 案例研究如何区别于实验
It is easy to confuse case studies with experiments, but the two methods sit at opposite ends of a spectrum. Experiments deliberately manipulate an independent variable and measure the effect on a dependent variable under controlled conditions. Case studies do not manipulate variables; they observe and document what naturally occurs.
容易把案例研究和实验混淆，但两种方法处于光谱的两端。实验有意操控自变量并在受控条件下测量因变量的变化。案例研究则不操控变量，而是观察和记录自然发生的情况。
Another distinction lies in the sample size. Experiments normally require a large, representative sample to allow statistical analysis and generalisation. Case studies typically focus on one person or a small group, using depth over breadth.
另一个区别在于样本量。实验通常需要一个大而具有代表性的样本，以便进行统计分析和推广。案例研究通常聚焦于一个人或一个小群体，用深度取代广度。
Furthermore, experiments aim to establish cause-and-effect relationships and prioritise internal validity. Case studies, by contrast, aim to provide a holistic understanding of the individual in their context, often sacrificing control for rich detail.
此外，实验旨在建立因果关系并优先考虑内部效度。相比之下，案例研究旨在提供对个体在其背景下的整体理解，通常为了丰富的细节而牺牲控制。
6. A Step-by-Step Approach to Conducting a Case Study | 开展案例研究的逐步方法
Although there is no fixed template, a well-designed case study follows a logical process. The first step is to identify the research question and select an appropriate case. This might be a person with a unique condition, a specific event, or an institution.
虽然没有固定模板，但一项设计良好的案例研究遵循一个逻辑过程。第一步是确定研究问题并选择一个合适的案例。这可能是一个患有特殊病症的人、一个特定事件或一个机构。
The next stage involves obtaining ethical clearance and informed consent. Once permission is granted, the researcher uses multiple methods — such as semi-structured interviews, observations and psychometric tests — to gather data over a period of weeks, months or even years. Triangulation, using several sources of evidence, strengthens the validity of the findings.
下一阶段涉及获得伦理许可和知情同意。一旦获得许可，研究人员就运用多种方法，如半结构化访谈、观察和心理测量测验，在数周、数月甚至数年的时间内收集数据。使用多个证据来源的三角互证可以加强结论的效度。
Finally, the researcher analyses the data, looking for themes and patterns. The write-up provides a narrative account that weaves together the different strands of evidence, often including direct quotations from the participant to bring the case alive.
最后，研究人员分析数据，寻找主题和模式。研究报告提供了一种叙事性的描述，将不同的证据线索编织在一起，通常还包括参与者的直接引语，使案例生动起来。
7. Types of Data Collected in Case Studies | 案例研究中收集的数据类型
Case studies are renowned for producing qualitative data, such as interview transcripts, diary entries, open-ended questionnaire responses and observation notes. This type of data captures subjective experiences, emotions and meanings in a way that numbers alone cannot convey.
案例研究以产出质性数据而闻名，例如访谈转录、日记条目、开放式问卷回答和观察笔记。这类数据捕捉了主观体验、情感和意义，而仅靠数字是无法传达的。
However, case studies can also yield quantitative data. A researcher might record the number of times a particular behaviour occurs, administer a standardised intelligence test producing a numerical score, or use a rating scale to measure symptom severity. Combining numerical and descriptive data makes the case study more rigorous.
然而，案例研究也可以产生量化数据。研究人员可能记录特定行为发生的次数，施测标准化智力测验产生数值分数，或使用评定量表测量症状严重程度。将数值和描述性数据结合起来使案例研究更加严谨。
This combination is often described as a mixed-methods approach within a case study. For exam answers, being able to identify and give examples of both types of data will earn higher marks for methodological awareness.
这种结合通常被称为案例研究中的混合方法。在考试答题时，能够识别并分别举出两种数据类型的例子可以因方法论意识而获得更高分数。
8. Real-World Application: The Case of Clive Wearing | 实际应用：克莱夫·韦尔林的案例
One of the most famous case studies in psychology is that of Clive Wearing, a musician who suffered a devastating brain infection that destroyed his ability to form new memories. Every few seconds, he feels as though he has just woken up, and his diary is filled with entries crossing out previous statements of awareness.
心理学中最著名的案例研究之一是克莱夫·韦尔林的案例。他是一位音乐家，遭受了毁灭性的脑部感染，破坏了形成新记忆的能力。每隔几秒钟，他就觉得自己刚刚醒来，他的日记里写满了划掉先前清醒声明的记录。
Researchers used interviews, brain scans and cognitive tests to study Clive over many years. The case demonstrated the distinction between episodic and semantic memory, as he could still play the piano and conduct a choir, showing his procedural memory remained intact. The rich detail of this case provided evidence for multiple memory systems.
研究人员多年来使用访谈、脑部扫描和认知测验来研究克莱夫。该案例展示了情景记忆与语义记忆之间的区别，因为他仍能弹钢琴和指挥唱诗班，表明他的程序性记忆保持完好。这一丰富的细节为多重记忆系统提供了证据。
When evaluating this case, you could note its enormous contribution to memory theory, but also its limits: Clive’s experience is unique, and we must be cautious about applying these findings to all forms of amnesia. The case also raises ethical questions about repeated testing and his ability to give ongoing consent.
在评价这个案例时，你可以指出它对记忆理论的巨大贡献，但也要指出其局限性：克莱夫的体验是独特的，我们必须谨慎地将这些发现应用于所有形式的遗忘症。这个案例也引发了关于反复测验以及他持续给予同意的能力的伦理问题。
9. Practice Exercise: Evaluating a Fictional Case Study | 实战演练：评价一项虚构的案例研究
Now it is your turn. Read the following summary of a fictional case study, then answer the questions that follow.
现在轮到你了。请阅读以下虚构案例研究的摘要，然后回答后面的问题。
Case summary: Dr Andrews wanted to investigate the long-term effects of extreme social isolation. He studied a 14-year-old girl named Maya, who had been kept in a single room by her parents for ten years with minimal human contact. Dr Andrews moved in with the family for six months, kept detailed field notes, conducted daily unstructured interviews and administered language tests. He did not use a pseudonym in his published report because he believed the scientific community needed full transparency. Maya’s parents gave consent, but Maya sometimes appeared distressed and asked to stop the interviews; Dr Andrews gently encouraged her to continue, saying the research could help other children.
案例摘要：安德鲁斯博士想研究极端社会隔离的长期影响。他研究了一名14岁的女孩玛雅，她被父母关在一个房间里长达十年，只有极少的人际接触。安德鲁斯博士搬去与这家人同住了六个月，做了详细的现场笔记，每天进行非结构化访谈并施测语言测验。他在发表的报告中未使用化名，因为他认为科学界需要完全的透明。玛雅的父母给予了同意，但玛雅有时表现出痛苦并要求停止访谈；安德鲁斯博士温和地鼓励她继续，说这项研究可以帮助其他孩子。
Exercise questions:
练习题：
a) Identify two ethical issues in this case study and explain why they are problematic.
a) 指出该案例研究中的两个伦理问题并解释它们为什么有问题。
b) Outline one strength and one limitation of using a single case like Maya’s to draw conclusions about social isolation.
b) 概述使用像玛雅这样的单一案例得出关于社会隔离的结论的一个优势和一个局限性。
c) Suggest two ways in which the researcher could improve the validity of the data collected.
c) 提出两种方法，研究者可以用以提高所收集数据的效度。
Sample answer plan for question (a): Lack of confidentiality — using Maya’s real name means her identity is exposed, which breaches the ethical principle of right to privacy. Lack of adequate protection from harm — Maya was distressed and wanted to withdraw, yet the researcher pressured her to continue, violating the right to withdraw and risking psychological harm.
问题(a)的答题计划示例：缺乏保密——使用玛雅的真实姓名意味着她的身份暴露，违背了隐私权的伦理原则。缺乏充分的保护免受伤害——玛雅表现出痛苦并想退出，但研究者却向她施压要求继续，这侵犯了退出权并有造成心理伤害的风险。
Try to write full paragraphs for each answer, using psychological terminology and linking back to the details in the case.
尝试为每个答案撰写完整段落，使用心理学术语并联系案例中的细节。
10. Exam Technique: Answering Case Study Questions | 考试技巧：回答案例研究类问题
On the Eduqas GCSE Psychology paper, you may be presented with a short case study description and asked to evaluate the method or apply your knowledge. A common mistake is simply describing the case again. Instead, you should pick out specific methodological features and discuss their implications.
在Eduqas GCSE心理学试卷中，你可能会看到一段简短的案例研究描述，并被要求评价该方法或应用你的知识。一个常见的错误是再次描述案例。相反，你应该挑出具体的方法论特征并讨论其含义。
For example, if a question asks you to evaluate the use of a case study to investigate memory, you could structure your answer by stating one strength (such as rich detail leading to new hypotheses), explaining it with reference to the case, and then a limitation (such as low generalisability) again tied to evidence from the stimulus.
例如，如果一道题要求你评价用案例研究来研究记忆的使用，你可以这样组织答案：陈述一个优势（如丰富的细节引出了新的假说），结合案例进行解释，然后再说明一个局限性（如推广性较低），并再次结合刺激材料中的证据。
You must also be precise with ethical vocabulary. Use terms like informed consent, deception, right to withdraw and protection from harm. A well-balanced answer will show that you understand both the unique power of case studies and their inherent weaknesses – a hallmark of a top-grade response.
你还必须精确使用伦理相关的术语。使用知情同意、欺骗、退出权和免受伤害等术语。一份均衡的答案会表明你理解案例研究的独特优势以及其固有的弱点——这是高分回答的标志。
Finally, always check that your evaluation links directly back to the context given. Generic statements about strengths and weaknesses will only ever gain you generic marks. Make the case study work for you by using its details as your evidence.
最后，一定要检查你的评价是否直接联系了所给的情境。泛泛而谈的优势和弱点只能带给你一般的分数。利用案例的细节作为证据，让案例研究为你服务。
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