Case Study Practical Drill for CCEA A2 Psychology | CCEA A2心理学案例分析实战演练

📚 Case Study Practical Drill for CCEA A2 Psychology | CCEA A2心理学案例分析实战演练

Case studies are at the heart of CCEA A2 Psychology, challenging you to apply your understanding of theories, research, and evaluation to lifelike scenarios. Success depends not just on what you know but on how effectively you can deconstruct a case, select the most relevant psychological concepts, and construct a balanced, evidence-based argument. This article provides a systematic, hands-on drill to sharpen those skills, offering worked examples, structured approaches, and tips drawn directly from examiner feedback.

案例分析是CCEA A2心理学的核心，它要求你将理论、研究和评估知识应用于真实情境中。成功不仅取决于你掌握了什么，更取决于你如何有效地解构案例、选出最相关的心理学概念，并构建均衡、基于证据的论点。本文提供一个系统的实战演练，通过实例分析、结构化方法和源自考官反馈的技巧，帮助你磨炼这些技能。

1. Understanding Case Study Requirements in CCEA A2 Psychology | 理解CCEA A2心理学案例分析要求

In the A2 units, case study questions typically present a detailed scenario drawn from clinical, forensic, or health psychology. You are asked to identify issues, explain behaviour using psychological models, discuss relevant research, and critically evaluate theories or treatments. Marks are awarded for knowledge, application, and evaluation, with emphasis on weaving all three together seamlessly.

在A2单元中，案例分析题通常会呈现一个取自临床、犯罪或健康心理学的详细情境。题目要求你识别问题、运用心理学模型解释行为、讨论相关研究，并批判性地评估理论或治疗方法。分数会依据知识、应用和评估来分配，并强调将这三者无缝地融合在一起。

Examiners look for concise, focused answers that directly address the scenario. Avoid lengthy, generic descriptions of theories; instead, explicitly link each point to details in the case. For example, if a character shows negative automatic thoughts, name the cognitive model and immediately quote the thought from the scenario.

考官看重的是简洁、聚焦且直接针对案例的回答。避免冗长、泛泛地描述理论；相反，要将每一点与案例细节明确联系起来。例如，如果角色表现出消极自动思维，就要说出认知模型，并直接引用案例中的想法。

Familiarise yourself with the command words: ‘explain’, ‘discuss’, ‘evaluate’, and ‘apply’. In case study contexts, ‘explain’ requires you to use theory to account for the described behaviour; ‘evaluate’ demands both strengths and limitations of the explanations you have used.

熟悉指令词：“解释”、“讨论”、“评估”和“应用”。在案例分析中，“解释”要求你用理论来说明描述的行为；“评估”则要求你指出所用解释的优点和局限性。

2. A Systematic Method for Deconstructing a Case Study | 解构案例的系统方法

Begin with a careful, active reading of the scenario. Underline or annotate any piece of information that hints at a psychological concept — symptoms, behaviours, thoughts, emotions, social factors, or background history. During the exam, you can use the planning space to jot down these clues.

首先，仔细、主动地阅读情境。在任何暗示心理学概念的信息下划线或做注释——症状、行为、想法、情绪、社会因素或背景史。在考试中，你可以利用规划空间快速记下这些线索。

Next, map the clues to relevant theories and models from your chosen application topics. If the case involves low mood and self-blame, consider Beck’s cognitive triad; if it describes hearing voices and social withdrawal, link to biological or psychological explanations of schizophrenia.

接着，将这些线索与你所选应用主题中的相关理论和模型对应起来。如果案例涉及情绪低落和自责，考虑贝克的认知三联；如果描述幻听和社交退缩，就联系精神分裂症的生物学或心理学解释。

Then, think about which research studies best support or challenge these explanations. Always check whether the study’s sample or methodology matches the case characteristics, as this will later feed into your evaluation.

然后，思考哪些研究最能支持或质疑这些解释。始终检查研究的样本或方法论是否与案例特征相匹配，因为这将为后续的评估提供素材。

Finally, plan the structure of your answer. A simple 3-part outline often works: (1) identify the key issue and explain with theory, (2) support with a specific study and explain its relevance, (3) evaluate the explanation and/or the study in relation to the case.

最后，规划答案的结构。一个简单的三部分提纲通常有效：（1）识别关键问题并用理论解释，（2）用具体研究支持并解释其相关性，（3）结合案例评估解释和/或研究。

3. Identifying Psychological Concepts and Theories in a Scenario | 在情境中识别心理学概念和理论

Train yourself to spot diagnostic criteria. For clinical psychology, look for signs of depression (persistent sadness, anhedonia), phobias (specific fear triggers, avoidance), or OCD (obsessions, compulsions). In forensic psychology, note aggression patterns, cognitive distortions, or empathy deficits.

训练自己识别诊断标准。对于临床心理学，寻找抑郁症迹象（持续悲伤、快感缺失）、恐惧症（特定恐惧触发、回避）或强迫症（强迫思维、强迫行为）。在犯罪心理学中，注意攻击模式、认知扭曲或共情缺陷。

Once you have a probable label, frame the explanation: is the behaviour best understood through a biological lens (genes, neurotransmitters), a cognitive lens (irrational beliefs, schemas), or a learning perspective (conditioning, modelling)? CCEA encourages you to discuss at least two explanations for richer evaluation.

一旦有了可能的标签，就要构建解释：该行为通过生物学视角（基因、神经递质）、认知视角（非理性信念、图式）还是学习视角（条件反射、模仿）来理解最为合适？CCEA鼓励你至少讨论两种解释，以便进行更丰富的评估。

For instance, a case describing a young woman who washes her hands repeatedly due to fear of contamination can be explained via the neurobiological model (orbitofrontal-striatal circuit dysfunction) and the cognitive-behavioural model (inflated responsibility, neutralisation). Jot down which model to apply and why.

例如，一个描述年轻女性因害怕污染而反复洗手的案例，既可以通过神经生物学模型（眶额-纹状体回路功能障碍），也可以通过认知行为模型（夸大的责任感、中性化行为）来解释。记下打算运用哪个模型及其原因。

4. Linking Research Evidence to the Scenario | 将研究证据链接到情景

Every explanation you use must be anchored by research. For the cognitive explanation of depression, you could cite Beck et al. (1961) on negative schemas or Clark and Beck (1999) on cognitive vulnerability. But avoid name-dropping — you need to state the aim, method, findings, and, crucially, how the study relates to the case.

你所用的每一个解释都必须有研究作为支撑。对于抑郁症的认知解释，你可以引用Beck等人（1961）关于负面图式的研究，或Clark与Beck（1999）关于认知脆弱性的研究。但避免仅仅罗列名字——你需要陈述研究目的、方法、发现，以及关键的是，这项研究如何与案例相关。

If the case involves a teenager with social anxiety, a study by Heimberg et al. (1998) on the efficacy of CBT for social phobia might be appropriate. Explain: ‘This is relevant because the teen exhibits performance anxiety similar to participants in the trial, suggesting CBT could be effective, though the study’s individual therapy format may not match the case’s school-based setting.’ Such explicit linking earns high marks.

如果案例涉及一名有社交焦虑的青少年，Heimberg等人（1998）关于CBT对社交恐惧症疗效的研究可能适用。解释：“这与案例相关，因为该青少年表现出的表现焦虑与试验参与者相似，表明CBT可能有效，尽管该研究的个别治疗形式可能与案例中的学校环境不相匹配。”这种明确的联系能赢得高分。

Keep a mental bank of core studies for each topic: two or three for each explanation, plus one alternative. Practise summarising each study in three sentences: aim, key findings, and a point of evaluation. This will help you retrieve them quickly during the exam.

为每个主题准备一个核心研究库：每种解释准备两到三个研究，再加上一个替代研究。练习用三句话概括每项研究：目的、主要发现和一个评估点。这将帮助你在考试中快速提取。

5. Applying Evaluation Skills Using the GRAVE Framework | 运用GRAVE框架进行评估

Evaluation is not a separate section; it should be woven throughout your answer. A useful tool is the GRAVE acronym: Generalisability, Reliability, Application, Validity, and Ethics. Apply it to both theories and studies you discuss.

评估不是独立的部分，而应贯穿于你的答案之中。一个有用的工具是GRAVE缩写：普遍性（Generalisability）、可靠性（Reliability）、应用性（Application）、效度（Validity）和伦理（Ethics）。将其应用到你讨论的理论和研究上。

When evaluating a biological explanation of aggression, consider generalisability: can findings from male prisoners apply to the female teacher in the case? Reliability: are the measures of testosterone consistent? Application: does the explanation lead to a practical treatment, such as anti-androgen drugs? Validity: are extreme cases of violence artificially produced in lab studies? Ethics: is it ethical to attribute criminality to biology?

当评估攻击行为的生物学解释时，考虑普遍性：对男性囚犯的研究发现能否适用于案例中的女教师？可靠性：睾酮的测量结果是否一致？应用性：该解释是否能带来实际治疗，如抗雄激素药物？效度：实验室研究是否人为制造了极端暴力案例？伦理：将犯罪行为归因于生物学是否合乎伦理？

Always tie evaluation back to the scenario. Instead of a generic ‘the study lacks ecological validity’, say: ‘Because the study used a video game simulation, its findings may not reflect the impulsive physical aggression seen in the case of the bar fight.’ This demonstrates critical thinking.

始终将评估与情境联系起来。与其说通用的“该研究缺乏生态效度”，不如说：“由于该研究使用了视频游戏模拟，其发现可能无法反映案例中酒吧斗殴所见的冲动性身体攻击。”这体现了批判性思维。

6. Worked Example: A Clinical Psychology Case | 案例分析实例：临床心理学

Scenario: Alex is 19 and has been feeling persistently sad and tired for six months. He no longer enjoys playing football, which he used to love, and says he ‘cannot concentrate on anything’. He often thinks, ‘I’m a failure, and I always will be.’ He has stopped seeing friends and struggles to get out of bed. His GP suggested medication, but Alex is reluctant.

情境：Alex，19岁，六个月来持续感到悲伤和疲倦。他不再享受曾经喜爱的足球，说自己“无法集中注意力做任何事”。他经常想，“我是个失败者，而且永远都会是。”他已经不再见朋友，起床都困难。他的全科医生建议药物治疗，但Alex不愿意。

Identification: This pattern matches the diagnostic criteria for major depressive disorder (DSM-5): low mood, anhedonia, fatigue, worthlessness, and social withdrawal. The scenario explicitly provides a negative cognitive triad: negative views of self (‘failure’), world (withdrawal from enjoyable activities), and future (‘always will be’).

识别：该模式符合重性抑郁障碍的诊断标准（DSM-5）：情绪低落、快感缺失、疲劳、无价值感以及社交退缩。情境明确提供了负面认知三联：对自我的负面看法（“失败者”）、对世界的负面看法（退出愉快的活动）和对未来的负面看法（“永远都会”）。

Explanation via Beck’s Cognitive Model: Beck’s model proposes that early experiences can create negative self-schemas which, when activated by a stressor, lead to systematic cognitive distortions. Alex’s belief that he is a failure and his all-or-nothing thinking (‘I always will be’) are hallmark cognitive distortions. The onset of his depression may have been triggered by an academic or social setback not explicitly mentioned but implied.

通过贝克的认知模型进行解释：贝克的模型提出，早期经历会形成负面的自我图式，这些图式在应激源激活后会导致系统性的认知歪曲。Alex认为自己是个失败者以及他的全或无思维（“我永远都会”）正是典型的认知歪曲。他的抑郁发作可能是由学业或社交挫折触发的，虽然案例中未明说，但可推断出来。

Supporting Research: In a landmark study, Beck et al. (1961) found that depressed patients reported significantly more negative automatic thoughts than non-depressed controls when recalling unpleasant events. This directly parallels Alex’s spontaneous self-deprecating statements. The study’s use of clinical interviews gives it high internal validity for the thought patterns described.

支持性研究：在一项里程碑式的研究中，Beck等人（1961）发现，抑郁患者在回忆不愉快事件时报告的负面自动思维显著多于非抑郁对照组。这与Alex自发的自我贬低陈述直接相似。该研究采用临床访谈，使其对所述思维模式具有较高的内部效度。

Evaluation and Application: The cognitive model explains the case well and suggests CBT as a non-pharmacological option, which suits Alex’s reluctance toward medication. However, the model is reductionist: it under-emphasises biological factors like cortisol dysregulation that might prolong his fatigue. From a validity standpoint, the model is correlational — we cannot be sure whether negative thinking causes depression or vice versa. A combined biological-cognitive approach (such as offering CBT alongside low-dose SSRIs) might represent the most effective, individualised treatment.

评估与应用：认知模型很好地解释了该案例，并提议将CBT作为一种非药物选项，这适合Alex对药物治疗的抵触。然而，该模型是还原论的：它低估了生物学因素（如皮质醇失调）可能延长其疲劳感。从效度角度看，该模型是相关性的——我们无法确定是负面思维导致了抑郁还是抑郁导致了负面思维。一种生物学-认知相结合的方法（如在提供CBT的同时配合低剂量SSRI）可能代表了最有效、最个体化的治疗。

7. Practising with a Forensic Psychology Scenario | 犯罪心理学情境练习

Scenario: Mark, a 24-year-old man, was convicted of assault after a confrontation in a pub. Witnesses say he ‘exploded’ when someone accidentally spilled his drink. Mark has a history of impulsive behaviour and reported a childhood full of physical punishment. He often interprets neutral comments as hostile.

情境：Mark，24岁男性，因在酒吧冲突中伤人被判有罪。目击者称，当有人不小心洒了他的饮料时，他“爆发了”。Mark有冲动行为史，并报告童年充满体罚。他经常将中性的评论解读为充满敌意的。

You should identify at least two explanations. The first might be the hostile attribution bias from social-cognitive approaches: Mark interprets ambiguous actions as threats, a pattern linked to aggressive responses (Dodge & Frame, 1982). The second could be a biological explanation focusing on low serotonin, which is associated with reduced impulse control (Berman et al., 2009).

你应该识别出至少两种解释。第一种可能是社会认知方法中的敌意归因偏差：Mark将模糊行为解读为威胁，这种模式与攻击反应有关（Dodge & Frame, 1982）。第二种可能是生物学解释，聚焦于低血清素，这与冲动控制能力下降有关（Berman et al., 2009）。

When writing up, link the hostile attribution bias directly to the incident: the spilled drink was an ambiguous cue that Mark misread as a deliberate provocation. For the biological explanation, note that his childhood trauma might have altered neurotransmitter systems, but criticize deterministic implications by discussing personal responsibility and the legal system’s view.

在书写时，将敌意归因偏差与事件直接联系起来：洒出的饮料是一个模糊线索，被Mark误读为故意挑衅。对于生物学解释，指出童年创伤可能改变了神经递质系统，但要通过讨论个人责任和法律体系的看法来批评决定论的含义。

Evaluate using GRAVE: the Dodge and Frame study used vignettes with boys, so generalisability to adult pub violence is limited. The serotonin studies often rely on animal analogues or correlational data, so establishing cause and effect is difficult. Conclude by discussing how an anger management programme might address cognitive biases, while medication might target biological factors.

使用GRAVE进行评估：Dodge和Frame的研究使用了男孩的小故事，因此对成人酒吧暴力行为的普遍性有限。血清素研究通常依赖动物模拟或相关数据，因此难以确定因果关系。最后讨论愤怒管理方案如何解决认知偏差，而药物如何靶向生物学因素。

8. Approaching Health Psychology Case Studies | 健康心理学案例分析入门

Health psychology scenarios often describe a patient who does not follow medical advice, engages in unhealthy behaviours, or faces stress-related illness. Your task is to explain non-adherence using models such as the Health Belief Model or the Locus of Control, and then suggest interventions.

健康心理学情境常描述不遵从医嘱、从事不健康行为或面临压力相关疾病的患者。你的任务是使用健康信念模型或控制点等模型来解释不遵从行为，然后提出干预措施。

For example, a case might describe an elderly woman, Jean, who stops taking her blood pressure medication because she feels fine and worries about side effects. Apply the Health Belief Model: her perceived susceptibility is low because she has no symptoms; perceived barriers (side effects) outweigh perceived benefits. Her cues to action are missing — no recent doctor reminder.

例如，一个案例可能描述一位老年女性Jean，因为自我感觉良好且担心副作用而停止服用降压药。应用健康信念模型：她的感知易感性低，因为她没有症状；感知障碍（副作用）大于感知益处。她缺少行动线索——最近没有医生提醒。

Link research such as Ross et al. (1987) on hypertension adherence, showing that patients who believed their condition was serious were more compliant. Evaluate the model by noting it assumes rational decision-making, which may not reflect Jean’s emotional fear or cognitive decline. Suggest practical changes: a simplified medication routine, a phone-call reminder, and a nurse-led discussion to reframe side-effect worries.

联系研究如Ross等人（1987）关于高血压依从性的研究，该研究表明，认为自己病情严重的患者更遵从。评估该模型时，可指出它假设了理性决策，这可能无法反映Jean的情感恐惧或认知下降。提出实际改变：简化用药程序、电话提醒，以及由护士主导的讨论来重塑对副作用的担忧。

9. Structuring a High-Scoring Answer | 撰写高分答案的结构

A clear structure signals to the examiner that you are in control. Start with a brief introduction that identifies the core psychological issue and outlines the theories you will use. Then use a PEEL format for each paragraph: Point, Evidence, Explanation, Link back to the case.

清晰的结构向考官表明你胸有成竹。开头用简短引言识别核心心理问题，并概述你将使用的理论。然后每个段落使用PEEL格式：论点、证据、解释、回链案例。

For instance: Point — ‘Alex’s symptoms can be explained by Beck’s cognitive model of depression.’ Evidence — ‘Beck et al. (1961) found that depressed individuals report more negative automatic thoughts.’ Explanation — ‘The thoughts Alex expresses directly mirror this cognitive pattern, suggesting his depression is maintained by a negative schema.’ Link — ‘Therefore, according to this model, cognitive restructuring would be a primary therapeutic goal for Alex.’

例如：论点——“Alex的症状可以用贝克的认知抑郁模型来解释。”证据——“Beck等人（1961）发现抑郁个体报告更多负面自动思维。”解释——“Alex表达的想法直接反映了这种认知模式，表明他的抑郁由负面图式维持。”回链——“因此，根据该模型，认知重建将是Alex的主要治疗目标。”

Include a dedicated evaluation paragraph, or weave evaluation points into each PEEL paragraph. A common mistake is to write a long, separate evaluation section at the end that repeats earlier points; instead, integrate evaluation as you explain. This shows a more sophisticated argument.

包含一个专门的评估段落，或将评估点融入每个PEEL段落中。常见错误是在最后写一个冗长的、独立的评估部分，重复先前的观点；相反，应在解释时融入评估。这展现出更复杂的论证。

Conclude with a brief statement that weighs the competing explanations and suggests an integrated approach if appropriate. Avoid introducing new material here; use the conclusion to demonstrate your ability to synthesise and judge the evidence in light of the case.

以简短的陈述结尾，权衡相互竞争的解释，并在适当时建议一种整合方法。避免在此引入新材料；利用结论展示你综合并评判与案例相关证据的能力。

10. Common Pitfalls and How to Avoid Them | 常见错误及避免方法

Pitfall 1: Theory dumping. Many students write everything they know about a theory without connecting it to the case. Always use the scenario details to illustrate each concept. After stating a theoretical point, immediately add: ‘This is shown in the case when…’

陷阱1：理论堆砌。许多学生写下他们所知道的关于一个理论的一切，却不与案例联系。始终使用情境细节来说明每个概念。在陈述一个理论观点后，立即补充：“这在案例中表现为……”

Pitfall 2: Weak or irrelevant research. Choosing a study simply because it appears in the same textbook chapter often leads to a loose fit. Select research that matches the specific behaviour, age group, or context of the case. Pre-plan a research summary sheet for each topic to ensure you have a tailored piece of evidence.

陷阱2：研究薄弱或不相关。仅仅因为某项研究与案例出现在同一教科书章节而选择它，往往导致牵强附会。选择与案例中具体行为、年龄组或情境相匹配的研究。为每个主题预先规划一份研究总结表，以确保你有量身定制的证据。

Pitfall 3: Description-evaluation imbalance. Some answers lean heavily on description, leaving little room for evaluation. Aim for a balanced ratio: roughly half explanation and half critical commentary. Use the planning stage to allocate space for evaluation before you start writing.

陷阱3：描述与评估不平衡。有些答案过度依赖于描述，留给评估的空间很小。争取达到平衡比例：大约一半解释一半批判性评论。在开始写作前，利用规划阶段为评估分配空间。

Pitfall 4: Ignoring ethical and practical implications. Even if the question does not explicitly ask for ethical considerations, mentioning them can enhance evaluation. For example, labelling someone as having a ‘criminal personality’ has legal and moral consequences. Showing awareness of these dimensions impresses examiners.

陷阱4：忽视伦理和实践含义。即使问题未明确要求伦理考虑，提及它们也能提升评估。例如，将某人标记为具有“犯罪人格”会带来法律和道德后果。展现对这些维度的认识能给考官留下深刻印象。

11. Full Mock Case Study with Model Answer Outline | 完整模拟案例与模型答案大纲

Read the case below and try to outline an answer before reading the model outline.

阅读下面的案例，并在查看模型大纲前尝试自己列出答案大纲。

Case: David, a 30-year-old office worker, has been experiencing recurrent panic attacks in crowded places. He fears that during an attack he might suffocate and embarrass himself. As a result, he has avoided public transport and supermarkets for the past four months. His father also suffered from panic disorder. David remembers his mother being overly protective when he was a child.

案例：David，30岁办公室职员，在拥挤场所反复经历惊恐发作。他担心发作时会窒息并让自己难堪。因此，过去四个月他回避公共交通和超市。他的父亲也曾患有惊恐障碍。David记得小时候母亲对他过度保护。

Model Outline: 1. Identify — panic disorder with agoraphobia; evidence from scenario (recurrent unexpected panic attacks, avoidance, fear of suffocation). 2. Explain using the biological approach — genetic predisposition suggested by father’s history; research by Crowe et al. (1983) showing higher concordance in MZ twins. Also discuss the suffocation false alarm theory (Klein, 1993). 3. Explain using the cognitive-behavioural approach — catastrophic misinterpretation of bodily sensations (Clark, 1986); early learning via maternal overprotection may have reinforced vigilance to somatic cues. 4. Support each explanation with at least one study, linking explicitly: ‘David’s misinterpretation of breathlessness as impending suffocation matches Clark’s (1986) cognitive model, which was supported experimentally by Sanderson et al. (1990) who found that breathing CO₂-enriched air triggered panic in those with panic disorder.’ 5. Evaluate both explanations: biological model is deterministic but has led to effective drug treatments (SSRIs); cognitive model emphasises reversible psychological processes, and CBT has strong empirical support (e.g., Craske et al., 1991). However, both models overlook sociocultural factors, such as work stress, absent from the case. 6. Conclude by recommending an integrated treatment — CBT combined with medication if symptoms are severe, and note the importance of psychoeducation given the familial pattern.

模型大纲：1. 识别——惊恐障碍伴广场恐怖；来自情境的证据（反复意外惊恐发作、回避、窒息恐惧）。2. 使用生物学方法解释——父亲病史提示遗传倾向；引用Crowe等人（1983）显示MZ双生子同病率更高的研究。同时讨论窒息假警报理论（Klein, 1993）。3. 使用认知行为方法解释——对身体感觉的灾难性误读（Clark, 1986）；通过母亲过度保护的早期学习可能强化了对躯体信号的警觉。4. 每种解释至少用一项研究支持，并明确链接：“David将呼吸急促误读为即将窒息，这与Clark（1986）的认知模型吻合，该模型得到Sanderson等人（1990）的实验支持，他们发现吸入富含CO₂的空气会引发惊恐障碍患者的惊恐。” 5. 评估两种解释：生物学模型是决定论的，但已带来有效的药物治疗（SSRI）；认知模型强调可逆的心理过程，且CBT有强有力的实证支持（如Craske等人，1991）。然而，两种模型都忽略了社会文化因素，如工作压力，案例中并未提及。6. 结论建议采用整合治疗——如果症状严重，CBT联合药物治疗，并指出鉴于家族模式，心理教育的重要性。

12. Final Tips and Revision Strategies | 最后提示与复习策略

Practice with past CCEA case study questions under timed conditions. Start by planning for five minutes, then write your answer, and finally self-assess against the mark scheme. Pay attention to how the mark scheme allocates points for explicit application — often indicated by phrases like ‘in the case…’.

在限时条件下练习CCEA历年真题中的案例分析。先用五分钟规划，然后书写答案，最后对照评分标准进行自我评估。注意评分标准如何为明确的应用分配分数——通常由“在本案例中……”等短语体现。

Create flashcards that link core studies to case applications. On one side, write the study; on the other, note a hypothetical case feature that the study could illuminate. This builds the mental agility needed to select

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Case Study Practical Drill for CCEA A2 Psychology | CCEA A2心理学案例分析实战演练