📚 Psychology Case Study Practical Exercises for Year 10 WJEC | WJEC 十年级心理学：案例分析实战演练
Welcome to this interactive revision guide for WJEC Year 10 Psychology. This article is designed to help you master the art of analysing case studies, a crucial skill for your exams. You will explore five landmark psychology studies, learn the AIM–PROCEDURE–FINDINGS–CONCLUSION–ETHICS framework, and practise applying your knowledge to realistic exam-style scenarios. Each section presents content in parallel English and Chinese to support bilingual learners, ensuring you develop the confidence to tackle any case study question with clarity and depth.
欢迎使用这本WJEC十年级心理学互动复习指南。本文旨在帮助你掌握案例分析的艺术，这是考试中的关键技能。你将深入探讨五项里程碑式的心理学研究，学习“目的–程序–发现–结论–伦理”分析框架，并练习将知识应用到真实的考试题型中。每个章节均以英中对照形式呈现，支持双语学习者，确保你能自信、清晰且深入地应对任何案例分析问题。
1. Why Case Studies Matter | 为什么案例研究很重要
In WJEC GCSE Psychology, case studies are not just stories—they are carefully controlled investigations that provide evidence for psychological theories. Examiners expect you to go beyond simply describing what happened. You need to show that you can link a study's procedure to its outcomes, evaluate its strengths and weaknesses, and discuss ethical implications. Understanding classic experiments like those by Milgram or Loftus and Palmer helps you appreciate how psychologists test ideas about memory, social influence, development, and more.
在WJEC GCSE心理学中，案例研究不仅仅是故事——它们是经过精心控制的调查，为心理学理论提供证据。考官期望你能超越对事件的简单描述，你需要展示出能够将研究程序与其结果联系起来、评估其优缺点并讨论伦理影响的能力。理解米尔格拉姆或洛夫特斯与帕尔默等经典实验，有助于你领会心理学家如何验证关于记忆、社会影响、发展等方面的观点。
Moreover, case study analysis trains you to think like a scientist. You learn to identify independent and dependent variables, consider how extraneous variables are controlled, and judge whether a study truly measures what it claims to measure (validity) and produces consistent results (reliability). These skills are transferable across all psychology topics and will sharpen your critical thinking.
此外，案例分析训练你像科学家一样思考。你学会识别自变量和因变量，思考如何控制额外变量，并判断一项研究是否真正测量了它声称要测量的内容（效度）以及是否产生一致的结果（信度）。这些技能可迁移到所有心理学主题中，并会增强你的批判性思维。
2. Case Study Analysis Method: AIM, PROCEDURE, FINDINGS, CONCLUSION, ETHICS | 案例分析方法：目的、程序、发现、结论、伦理
To answer exam questions effectively, you need a reliable framework. Remember the acronym APFCE (Aim, Procedure, Findings, Conclusion, Ethics). Using this structure ensures you cover all essential aspects of a psychological investigation. Let's break down each component.
为了有效回答考试问题，你需要一个可靠的框架。记住首字母缩写 APFCE（目的、程序、发现、结论、伦理）。使用这个结构可以确保你涵盖心理研究的所有重要方面。我们来逐一解析每个组成部分。
| Element in English | 中文对应 | Key Questions to Ask |
|---|---|---|
| Aim | 目的 | What was the researcher trying to find out? |
| Procedure | 程序 | Who were the participants? What did they do? How was the study designed? |
| Findings | 发现 | What were the main results? Any numbers or percentages? |
| Conclusion | 结论 | What do the findings suggest? How do they relate to the aim? |
| Ethics | 伦理 | Was there deception? Did participants give informed consent? Could they withdraw? Was harm caused? |
When practising, always try to link findings back to the aim. A strong answer also shows that you understand why a specific procedure was chosen—for example, using a repeated measures design to control for individual differences. Ethical evaluation should go beyond 'it was unethical'; explain which ethical guideline was broken and why it matters.
练习时，务必将发现与目的联系起来。一份出色的答案还应表明你理解为何选择特定程序——例如，使用重复测量设计以控制个体差异。伦理评估不应仅停留在“这不道德”，而应解释违反了哪条伦理准则以及为何重要。
3. Case Study 1: Loftus & Palmer (1974) – The Misinformation Effect | 案例分析1：洛夫特斯与帕尔默 (1974) – 误导信息效应
Aim: To investigate how leading questions can distort eyewitness memory of an event. Loftus and Palmer wanted to see whether the wording of a question could alter a person's recall of a car accident.
目的：调查引导性问题如何扭曲目击者对事件的记忆。洛夫特斯和帕尔默想要探究问题的措辞是否会改变人们对一起车祸的回忆。
Procedure: 45 students watched seven film clips of traffic accidents. After each clip, they answered a questionnaire. The critical question was about the speed of the cars. Participants were split into five groups, each receiving a different verb in the question: 'About how fast were the cars going when they smashed / collided / bumped / hit / contacted each other?' A week later, they were asked if they had seen broken glass (there was none in the original film).
程序：45名学生观看了七段交通事故影片。每段影片后，他们回答一份问卷。关键问题是关于汽车的速度。参与者被分为五组，每组在问题中听到不同的动词：“当汽车相互 smash（撞毁） / collide（碰撞） / bump（撞上） / hit（撞击） / contact（接触）时，它们的速度大约是多少？” 一周后，他们被问及是否看到了碎玻璃（原片中并没有碎玻璃）。
Findings: The 'smashed' group estimated the highest average speed (40.8 mph), while the 'contacted' group gave the lowest (31.8 mph). Moreover, 32% of the 'smashed' group reported seeing broken glass, compared to only 14% of the 'contacted' group. This demonstrated that a single word could alter both speed estimates and memory for details that were never present.
发现：“撞毁”组估算的平均速度最高（40.8英里/小时），而“接触”组最低（31.8英里/小时）。此外，“撞毁”组中有32%的人报告看到了碎玻璃，而“接触”组中仅有14%。这表明单个词语不仅能改变速度估算，还能改变对从未存在的细节的记忆。
Conclusion: Memory is not a passive recording; it can be reconstructed. Leading questions can create misinformation, causing people to 'remember' false details. This has serious implications for police interviewing and courtroom testimony.
结论：记忆并非被动的录像；它可以被重构。引导性问题可以产生错误信息，使人们“记住”虚假的细节。这一发现对警方讯问和法庭证词有重大影响。
Ethics: The study involved mild deception because participants were not told the true aim. However, no harm was caused, and the knowledge gained outweighs the minimal ethical concerns.
伦理：该研究涉及轻微欺骗，因为参与者未被告知真实目的。然而，没有造成伤害，且获得的知识远大于微小的伦理担忧。
Exam-style quick practice: A man witnesses a robbery. Later, a police officer asks him, 'What colour was the getaway driver's jacket?' The driver did not wear a jacket. Explain why this question might be problematic, drawing on Loftus and Palmer.
考试风格快速练习：一名男子目睹了一起抢劫。随后，警察问他：“逃跑司机的夹克是什么颜色？”但实际上司机并未穿夹克。请运用洛夫特斯与帕尔默的研究解释为何这个问题可能有问题。
4. Case Study 2: Asch (1951) – Conformity | 案例分析2：阿希 (1951) – 从众
Aim: Solomon Asch wanted to see whether people would conform to an obviously incorrect majority when asked to judge the length of lines. He was interested in normative social influence—the desire to fit in.
目的：所罗门·阿希想考察当被要求判断线段长度时，人们是否会屈从于明显错误的大多数。他关注的是规范性社会影响——渴望合群的愿望。
Procedure: 123 American male undergraduates participated in a 'vision test'. In each group, there was one real participant and six to eight confederates. They were shown a standard line and three comparison lines. The real participant always answered last or second-to-last. On 12 out of 18 trials, confederates deliberately gave the same wrong answer.
程序：123名美国男性大学生参加了一项“视力测试”。每组包含一名真正的参与者和六到八名假被试。他们观看一条标准线段和三条比较线段。真正的参与者总是最后或倒数第二个回答。在18次试验中的12次里，假被试故意给出相同的错误答案。
Findings: On average, participants conformed to the incorrect majority on 37% of the critical trials. 75% of participants conformed at least once. When interviewed afterwards, many said they knew the answer was wrong but went along with the group to avoid ridicule (normative social influence).
发现：平均而言，参与者在37%的关键试验中屈从于错误的大多数。75%的参与者至少从众过一次。在事后访谈中，许多人表示他们知道答案是错的，但为了避免嘲笑而随大流（规范性社会影响）。
Conclusion: Even in an unambiguous situation, group pressure can lead to conformity. The need to belong can override personal judgement. However, Asch also found that conformity dropped sharply when even one other person gave the correct answer, breaking the group unanimity.
结论：即使在情况明确的时候，群体压力也能导致从众。归属感的需要可能压倒个人判断。然而，阿希也发现，当哪怕只有一个人给出正确答案，打破群体一致性时，从众率会急剧下降。
Ethics: Deception was used because participants believed they were taking part in a vision test. Some experienced stress or embarrassment. Today, researchers would ensure a more thorough debrief and provide the right to withdraw.
伦理：由于参与者以为自己参加的是视力测试，因此存在欺骗。一些人感到紧张或尴尬。今天的研究者会确保更全面的说明情况并提供退出权。
Application challenge: In a classroom, all students start wearing a new silly wristband. Tariq does not like the wristband but wears it anyway. Use Asch's study to explain Tariq's behaviour.
应用挑战：在一个班级里，所有学生都开始佩戴一种新奇的傻傻的手环。塔里克不喜欢这个手环，但还是戴了。运用阿希的研究解释塔里克的行为。
5. Case Study 3: Milgram (1963) – Obedience | 案例分析3：米尔格拉姆 (1963) – 服从
Aim: Stanley Milgram sought to understand why ordinary people might obey orders to harm another person, inspired by the atrocities of World War II. He wanted to test obedience to authority even when the command conflicted with personal conscience.
目的：斯坦利·米尔格拉姆受二战暴行的启发，试图理解为什么普通人会服从伤害他人的命令。他想测试当命令与个人良知相悖时，人们对权威的服从程度。
Procedure: 40 male participants volunteered for a study on 'learning and memory' at Yale University. Each was paired with a confederate (the 'learner'). The participant, as 'teacher', was instructed to give increasingly severe electric shocks for wrong answers. Shocks ranged from 15 volts to a lethal-sounding 450 volts labelled 'XXX'. The learner (in another room) stopped responding and pounded on the wall at 300V. If the teacher hesitated, the experimenter gave prods: 'Please continue' or 'The experiment requires you to continue.'
程序：40名男性参与者报名参加耶鲁大学的一项“学习与记忆”研究。每人与一名假被试（“学生”）配对。作为“教师”的参与者被告知要在学生答错时施加逐渐增强的电击。电击范围为15伏特至标有“XXX”的听起来致命的450伏特。学生（在另一个房间）停止回应并在300伏时敲击墙壁。如果教师犹豫，实验者会用诸如“请继续”或“实验要求你继续”的指令催促。
Findings: 65% of participants (26 out of 40) administered the full 450 volts. All participants went to 300 volts. Many showed signs of extreme stress—sweating, trembling, biting their lips—but still obeyed. No participant refused to continue before 300 volts.
发现：65%的参与者（40人中的26人）施加了最高450伏特的电击。所有参与者都达到了300伏特。许多人表现出极度的紧张迹象——出汗、发抖、咬着嘴唇——但仍然服从。没有参与者在300伏特之前拒绝继续。
Conclusion: Ordinary people are capable of committing harmful acts when instructed by a legitimate authority figure. Proximity of the victim, prestige of the setting, and the presence of a buffer (the wall) all increased obedience. This study highlights the power of the situation over disposition.
结论：当被合法权威人物指令时，普通人也能实施伤害行为。受害者的接近程度、环境的声望以及缓冲物的存在（墙壁）都提高了服从率。这项研究突显了情境因素胜于个体性格的力量。
Ethics: This study broke several key ethical guidelines. Participants were deceived (they thought shocks were real), not given the right to withdraw (prods made it difficult), and some suffered high levels of psychological distress. However, Milgram's thorough debrief showed that the majority were glad they participated.
伦理：该研究违反了多条关键伦理准则。参与者被欺骗（他们以为电击是真的），未获得退出权（指令使他们难以退出），且部分人经历了高度的心理痛苦。不过，米尔格拉姆全面的情况说明显示，大多数人很高兴自己参与了。
Think and connect: How might Milgram explain why a teenager vandalises a bus stop because their older 'gang leader' told them to? Outline two situational factors from the study.
思考与联系：米尔格拉姆会如何解释一名青少年因为“帮派头目”的命令而破坏公交站？从研究中列出两个情境因素。
6. Case Study 4: Bandura (1961) – Social Learning Theory | 案例分析4：班杜拉 (1961) – 社会学习理论
Aim: Albert Bandura aimed to demonstrate that children learn aggressive behaviour through observation and imitation of adult models. He wanted to show that behaviour could be acquired without direct reinforcement.
目的：阿尔伯特·班杜拉旨在证明儿童通过观察和模仿成人榜样来学会攻击行为。他想表明行为可以在没有直接强化的条件下习得。
Procedure: 36 boys and 36 girls, aged 3 to 6, were divided into three groups. One group watched an adult model behave aggressively towards a Bobo doll (hitting, kicking, using aggressive words). A second group watched a non-aggressive model who played quietly. A third control group saw no model. Afterwards, each child was taken individually to a room with toys, including a Bobo doll, and their behaviour was videotaped.
程序：36名男孩和36名女孩，年龄在3至6岁之间，被分为三组。一组观察成人榜样对波波玩偶做出攻击行为（击打、脚踢、使用攻击性语言）。第二组观察一名安静玩耍的非攻击性榜样。第三组作为控制组，没有观察任何榜样。之后，每名儿童被单独带到一个放有玩具（包括波波玩偶）的房间，他们的行为被录像。
Findings: Children who observed the aggressive model were significantly more aggressive than those in the other groups. They imitated specific actions (e.g., hitting with a mallet) and even repeated the model's verbal aggression like 'Sock him in the nose.' Boys were more physically aggressive overall, but girls were also more aggressive in the aggressive-model condition.
发现：观察到攻击性榜样的儿童比其他组的儿童表现出显著更多的攻击行为。他们模仿了具体的动作（例如用木槌敲打），甚至重复了榜样诸如“打他鼻子”的言语攻击。总体而言，男孩更具身体攻击性，但女孩在攻击性榜样条件下也表现出更多的攻击行为。
Conclusion: Observational learning occurs through attention, retention, reproduction, and motivation. The study supports Bandura's Social Learning Theory, showing that children do not need reinforcement to learn; they can model behaviour simply by watching others. The same process can explain prosocial behaviour too.
结论：观察学习通过注意、保持、再现和动机发生。该研究支持了班杜拉的社会学习理论，表明儿童不需要强化就能学习；他们仅通过观察他人就能模仿行为。同样的过程也能解释亲社会行为。
Ethics: The study raises concerns about psychological harm because children were deliberately exposed to aggressive models and may have been distressed. However, the observations were brief, and many psychologists argue the knowledge gained about aggression justifies the study.
伦理：该研究引发了关于心理伤害的担忧，因为儿童被故意暴露在攻击性榜样面前，并可能感到痛苦。然而，观察时间短暂，且许多心理学家认为关于攻击行为的知识使该研究具备合理性。
Quick scenario: After watching a superhero movie, 5-year-old Leo pretends to punch imaginary villains. Explain Leo's behaviour using Bandura's theory and the four mediational processes.
快速情景：看完一部超级英雄电影后，5岁的里奥假装拳打想象中的坏人。运用班杜拉的理论和四个中介过程解释里奥的行为。
7. Case Study 5: Piaget's Stages of Cognitive Development | 案例分析5：皮亚杰的认知发展阶段
Aim: Jean Piaget's clinical interviews and observations sought to reveal how children's thinking changes with age. He proposed that cognitive development happens in distinct stages, each characterised by new intellectual abilities.
目的：让·皮亚杰的临床访谈和观察旨在揭示儿童思维如何随年龄变化。他提出认知发展分成不同的阶段，每个阶段以新的智力能力为特征。
Procedure: Piaget used a flexible, semi-structured method. He would present children with conservation tasks—for example, pouring the same amount of water into a tall thin beaker and a short wide beaker—and ask whether the amount was still the same. He also used the 'three mountains task' to test egocentrism, asking children to describe what a doll would see from a different viewpoint.
程序：皮亚杰采用灵活的半结构化方法。他会让儿童完成守恒任务——例如，将等量的水倒入一个细高烧杯和一个矮宽烧杯——并询问水是否一样多。他还使用“三座山任务”测试自我中心主义，要求儿童描述玩偶从不同视角能看到什么。
Findings: Children in the preoperational stage (2–7 years) typically failed conservation tasks, saying there was more water in the tall beaker because it looked higher. They were also egocentric, unable to imagine another perspective. By the concrete operational stage (7–11 years), children could conserve and decentrate, but struggled with abstract reasoning. Formal operational thinking (11+ years) enabled hypothetical and systematic problem-solving.
发现：前运算阶段（2–7岁）的儿童通常不能完成守恒任务，他们说高烧杯里的水更多，因为看起来更高。他们也是自我中心的，无法设想另一个视角。到了具体运算阶段（7–11岁），儿童能够守恒和去中心化，但抽象推理仍有困难。形式运算思维（11岁以上）使假设性和系统性的问题解决成为可能。
Conclusion: Cognitive development follows an invariant sequence; children cannot skip stages. Education should be tailored to the child's developmental level. However, Piaget may have underestimated young children's abilities by using confusing language.
结论：认知发展遵循不变的顺序；儿童不能跳越阶段。教育应适应儿童的发展水平。然而，皮亚杰可能因使用令人困惑的语言而低估了幼儿的能力。
Ethics: Piaget's work was ethically acceptable because it involved naturalistic interactions. Children were protected, and the tasks were not distressing. Still, valid consent was obtained from parents, and children's identities remained confidential.
伦理：皮亚杰的研究在伦理上是可以接受的，因为它涉及自然互动。儿童受到保护，任务不会造成痛苦。尽管如此，研究者取得了父母的合法同意，并且儿童的身份保密。
Practice question: A 4-year-old treats a broom as a horse, happily neighing around the room. Identify the stage and one characteristic of thought this demonstrates. Suggest what a 10-year-old might do with the same broom instead.
练习题：一名4岁儿童把扫帚当马骑，满屋子欢快地嘶叫。请指出这一现象体现的发展阶段和一种思维特征。并推测一名10岁儿童会用扫帚做什么。
8. Evaluating Case Studies: Strengths and Limitations | 评估案例研究：优势与局限性
No study is perfect. Examiners award top marks for balanced evaluation. Use the GRAVE acronym (Generalisability, Reliability, Applicability, Validity, Ethics) to structure your critique. Consider how well a study's findings can be generalised to other groups or settings (population validity and ecological validity). For instance, Asch used only male American students—would females or collectivist cultures conform less?
没有哪个研究是完美的。考官会为平衡的评估打出最高分。使用首字母缩写 GRAVE（普遍性、信度、应用性、效度、伦理）来构建你的评述。思考一项研究的发现能被推广到其他群体或情境的程度（人口效度和生态效度）。例如，阿希只使用了美国男性学生——女性或集体主义文化是否会更少从众？
Strength: Many classic studies have high internal validity because they were conducted in controlled laboratory settings, making it easier to establish cause and effect. For example, Bandura matched groups on pre-existing aggression levels and used a standardised procedure. On the other hand, such control creates artificiality, reducing ecological validity. A child watching a stranger punch a doll in a university room is not the same as everyday learning.
优势：许多经典研究具有高内部效度，因为它们是在受控的实验室环境中进行的，更容易确立因果关系。例如，班杜拉根据既有的攻击性水平对组别进行了匹配，并使用了标准化程序。另一方面，这种控制制造了人为性，降低了生态效度。一个孩子在大学房间里看陌生人打玩偶，与日常学习并不相同。
Limitation: Small sample sizes and cultural bias limit generalisability. Piaget's theory was built mainly on observing his own children and a small number of Swiss children. This may not represent all children worldwide. Additionally, some studies fail to replicate—Milgram's results have been broadly supported, but attempts at exact replications of Asch have sometimes found lower conformity rates, possibly due to historical changes.
局限性：小样本量和文化偏见限制了普遍性。皮亚杰的理论主要基于对自己子女和少数瑞士儿童的观察，这可能不代表全世界的儿童。此外，有些研究未能被重复——米尔格拉姆的结果得到了广泛支持，但对阿希实验的精确复现有时会发现较低的从众率，这可能是由于历史变迁。
Finally, always link evaluation points back to the specific study. Do not say 'the study lacked ecological validity' without explaining why the procedure made it unnatural. A well-developed evaluation point also discusses the consequence—for example, 'therefore, the findings may not apply to real courtrooms.'
最后，务必将评估点与具体研究联系起来。不要说“该研究缺乏生态效度”，而不解释为什么其程序使其不自然。一个完善的评估点还应讨论其后果——例如，“因此，这些发现可能并不适用于真实的法庭”。
9. Ethical Considerations in Classic Studies | 经典研究中的伦理考量
Ethical issues recur across all the studies we have covered. The British Psychological Society (BPS) sets ethical guidelines that researchers must follow: informed consent, avoidance of deception (unless scientifically justified and followed by debrief), right to withdraw, protection from harm, and confidentiality. Let us apply these to our case studies.
伦理问题在我们所涉及的所有研究中反复出现。英国心理学会（BPS）制定了研究者必须遵守的伦理准则：知情同意权、避免欺骗（除非有科学理由且之后进行情况说明）、退出权、免受伤害的保护和保密。我们来将这些准则应用于我们的案例研究。
Milgram's study is often cited as an example of what not to do today. Participants were told the experiment was about learning, which was deception. The right to withdraw was obscured by verbal prods that made them feel obliged to continue. Most importantly, participants showed extreme signs of distress that could amount to psychological harm. However, 84% of participants later said they were glad to have taken part, and the study has had profound societal benefits. This raises a key debate: do the ends justify the means in psychological research?
米尔格拉姆的研究常被引为现今不应效仿的典范。参与者被告知实验是关于学习，这是欺骗。退出权因使他们感到不得不继续的言语指令而被模糊。最重要的是，参与者表现出的极度紧张迹象可能构成心理伤害。然而，84%的参与者日后表示他们很高兴参加了实验，而且该研究对社会的意义深远。这就引出了一个关键辩论：心理学研究中，目的是否能为手段辩护？
Asch's study also used deception, as participants believed they were taking a simple vision test. Some felt distressed upon realising they had conformed against their own better judgment. However, Asch debriefed participants afterwards. Bandura's Bobo doll experiment raises questions about exposing very young children to aggressive behaviour, though the models were adults and the aggression was mild. Today, a similar study would require thorough ethical review and parental consent for such a procedure.
阿希的研究也使用了欺骗，参与者以为自己在进行一项简单的视力测试。有些人在意识到自己违背自己的理性判断而从众时感到痛苦。不过，阿希之后向参与者进行了情况说明。班杜拉的波波玩偶实验引发了关于让低龄儿童接触攻击行为的问题，尽管榜样是成人且攻击行为温和。今天，类似的研究需要经过全面的伦理审查，并获得父母的同意。
When evaluating ethics in an exam, always mention the specific guideline violated, describe the negative impact on participants, and suggest how the study could be improved ethically. For example, 'Instead of deception, researchers could inform participants that they will observe social behaviour but not disclose the exact conformity aim.'
考试中评估伦理时，始终要指出违反的具体准则，描述对参与者的负面影响，并建议如何从伦理上改进研究。例如，“研究者可以告知参与者他们将观察社会行为，但不透露确切的从众目的，从而避免欺骗。”
10. Applying Case Study Knowledge to Exam Questions: Command Words | 应用案例知识到考试问题：命令词
WJEC questions use specific command words that tell you exactly what to do. 'Describe' means
Published by TutorHao | Year 10 Psychology Revision Series | aleveler.com
更多咨询请联系16621398022（同微信）
或截图后用「扫一扫 → 相册」选择本图