IGCSE CAIE Psychology: High-Frequency Topics and Common Error Analysis | IGCSE CAIE 心理学：高频考点与易错题分析

📚 IGCSE CAIE Psychology: High-Frequency Topics and Common Error Analysis | IGCSE CAIE 心理学：高频考点与易错题分析

This revision guide identifies the most frequently examined topics in CAIE IGCSE Psychology and explains the common errors that cost marks. It is designed for students aiming to move from description to evaluation, and from isolated facts to linked psychological arguments.

本复习指南梳理 CAIE IGCSE 心理学最高频的考点，并分析常见失分错误。它帮助考生从简单描述提升到科学评价，从零散事实提升到有逻辑的心理学论证。

1. Exam Structure and Assessment Demands | 考试结构与评分要求

CAIE IGCSE Psychology rewards three assessment objectives: knowledge and understanding of core studies, application of research methods, and evaluation of evidence. High-scoring responses always use precise psychological terms such as ‘reconstructive memory’, ‘demand characteristics’ and ‘ecological validity’.

CAIE IGCSE 心理学考核三个目标：核心研究的知识与理解、研究方法的运用、以及对证据的评价。高分答案必须使用准确的心理学术语，如 ‘重构记忆’、’需求特征’ 和 ‘生态效度’。

Paper questions often ask you to describe a study, explain a theory, or evaluate a conclusion.

试卷常要求描述研究、解释理论或评价结论。
Marks are allocated for knowledge, application, analysis and evaluation, not for story-telling.

分数按知识、应用、分析和评价分配，而不是按复述故事分配。

2. Memory: Multi-Store Model and Reconstructive Memory | 记忆：多存储模型与重构记忆

The multi-store model distinguishes sensory memory, short-term memory and long-term memory. Reconstructive memory explains that memory is an active process influenced by schema and post-event information, as shown by Loftus and Palmer.

多存储模型区分感觉记忆、短时记忆和长时记忆。重构记忆理论认为记忆是一个主动过程，会受到图式和事件后信息的影响，Loftus 和 Palmer 的研究正说明了这一点。

Loftus and Palmer found that the verb ‘smashed’ led to higher speed estimates than ‘contacted’.

Loftus 和 Palmer 发现动词 ‘smashed’ 比 ‘contacted’ 导致更高的车速估计。
Andrade’s doodling study supports the idea that a secondary task can improve attention to a boring primary task.

Andrade 的涂鸦研究支持次任务能提高对枯燥主任务注意力的观点。

Common error: students say memory is like a video recording, but the syllabus expects a reconstructive, active-process explanation. Another error is confusing short-term memory capacity with duration.

常见错误：学生说记忆像录像，但大纲要求的是重构式、主动加工的解释。另一个错误是混淆短时记忆的容量和持续时间。

3. Perception: Constructivist vs Direct Theories | 知觉：建构论与直接论

Gregory’s constructivist theory argues that perception is built from incomplete sensory data using expectations and past experience. Gibson’s direct theory argues that the environment provides enough information for perception without inference.

Gregory 的建构论认为知觉是利用预期和过去经验从不完整的感觉信息中建构出来的。Gibson 的直接论认为环境提供了足够的知觉信息，不需要推理。

Blakemore and Cooper’s kitten study supports the role of early visual experience in shaping perception.

Blakemore 和 Cooper 的小猫研究支持早期视觉经验对知觉塑造的作用。
Carmichael et al. showed that verbal labels can alter how ambiguous figures are remembered, supporting schema theory.

Carmichael 等人表明语言标签会改变对模糊图形的记忆，支持图式理论。

Common error: writing that Gibson’s theory is ‘top-down’ and Gregory’s is ‘bottom-up’ when the reverse is true. Gibson is bottom-up and data-driven; Gregory is top-down and concept-driven.

常见错误：把 Gibson 理论写成 ‘自上而下’，把 Gregory 写成 ‘自下而上’，实际上恰好相反。Gibson 是自下而上、数据驱动；Gregory 是自上而下、概念驱动。

4. Language and Thought: Piaget, Vygotsky and Whorf | 语言与思维：皮亚杰、维果斯基与沃尔夫

Piaget saw language as dependent on cognitive development, while Vygotsky saw language and thought as initially separate but later fused. Whorf proposed that language shapes thought, known as linguistic relativity.

Piaget 认为语言依赖于认知发展，Vygotsky 认为语言和思维最初分离、后来融合。Whorf 提出语言塑造思维，即语言相对论。

Piaget’s conservation tasks show that pre-operational children cannot conserve quantity, number or volume.

Piaget 的守恒实验显示前运算阶段儿童无法守恒数量、数目或体积。
Vygotsky’s zone of proximal development emphasises scaffolding from a more knowledgeable other.

Vygotsky 的最近发展区强调来自更有知识者的支架作用。

Common error: claiming Piaget believed language determines thought, or confusing Vygotsky’s scaffolding with Whorf’s linguistic relativity. Also avoid writing the ages of stages without checking the syllabus definitions.

常见错误：声称 Piaget 认为语言决定思维，或混淆 Vygotsky 的支架概念与 Whorf 的语言相对论。同时要避免不核对大纲定义就写阶段年龄。

5. Social Influence: Conformity, Obedience and Bystander Behaviour | 社会影响：从众、服从与旁观者行为

Asch studied conformity to a unanimous majority, Milgram studied obedience to authority, and Latané and Darley studied bystander intervention in emergencies. Each study links a situational variable to behaviour.

Asch 研究对一致多数派的从众，Milgram 研究对权威的服从，Latané 和 Darley 研究紧急情况下的旁观者干预。每个研究都将情境变量与行为联系起来。

Asch found that about 75% of participants conformed at least once, but overall conformity on critical trials was around 32%.

Asch 发现约 75% 的参与者至少从众一次，但关键试次上的总体从众率约为 32%。
Milgram found that 65% of participants obeyed the experimenter up to 450 volts, despite signs of distress.

Milgram 发现 65% 的参与者服从实验者直到 450 伏特，尽管表现出痛苦。
Latané and Darley showed that the presence of others can reduce helping through diffusion of responsibility.

Latané 和 Darley 表明他人在场会通过责任分散减少助人行为。

Common error: saying Milgram’s participants were forced to continue. They were given verbal prods, not physical force, and could withdraw. Also avoid describing Asch’s study as about obedience rather than conformity.

常见错误：说 Milgram 的参与者被迫继续。他们受到的是口头催促而非身体强迫，而且可以退出。同时不要把 Asch 的研究说成服从而非从众。

6. Attachment and Development | 依恋与发展

Bowlby argued that early attachment is essential for emotional development, and maternal deprivation can lead to long-term consequences. Ainsworth’s Strange Situation classified attachment into secure, insecure-avoidant and insecure-resistant types.

Bowlby 认为早期依恋对情感发展至关重要，母性剥夺会导致长期后果。Ainsworth 的陌生情境将依恋分为安全型、不安全回避型和不安全反抗型。

Bowlby’s 44 juvenile thieves study linked early prolonged separation from the mother to affectionless psychopathy.

Bowlby 的 44 名少年小偷研究将早期长期与母亲分离与情感冷漠型精神病态联系起来。
Ainsworth found that maternal sensitivity predicts secure attachment, not simply the amount of time spent together.

Ainsworth 发现母亲的敏感性预测安全依恋，而不是仅仅相处时间的长短。

Common error: confusing attachment types with parenting styles, or describing Bowlby as studying adults rather than children. Another frequent mistake is stating that attachment is entirely learned, ignoring Bowlby’s evolutionary basis.

常见错误：混淆依恋类型与教养方式，或把 Bowlby 的研究对象写成成人而非儿童。另一个常见错误是声称依恋完全通过后天学习，忽略 Bowlby 的进化基础。

7. Aggression and Social Learning | 攻击与社会学习

Bandura’s Bobo doll experiment demonstrated that children can learn aggression through observation and imitation of a model. This supports social learning theory, which includes attention, retention, reproduction and motivation.

Bandura 的波波玩偶实验表明儿童能通过观察和模仿榜样习得攻击行为。这支持社会学习理论，包括注意、保持、复现和动机四个过程。

Children who observed an aggressive model produced more imitative aggressive acts than controls.

观察到攻击榜样的儿童比控制组表现出更多模仿性攻击行为。
Boys showed more physical aggression than girls, especially after observing a male aggressive model.

男孩比女孩表现出更多身体攻击，尤其在观察男性攻击榜样之后。

Common error: saying the model told the children to hit the doll, when the model performed the actions without direct instruction. Also avoid claiming the study proves media violence causes real-world violence; it demonstrates short-term imitative learning.

常见错误：说榜样让儿童打玩偶，实际上榜样只是示范动作，没有直接指令。同时不要声称该研究证明媒体暴力导致现实暴力；它证明的是短期模仿学习。

8. Research Methods: Variables, Sampling and Ethics | 研究方法：变量、抽样与伦理

Independent variable is the factor manipulated by the researcher, dependent variable is the factor measured, and extraneous variables must be controlled. Sampling methods include random, opportunity, volunteer and stratified sampling.

自变量是研究者操纵的因素，因变量是测量结果，额外变量必须加以控制。抽样方法包括随机抽样、机会抽样、自愿抽样和分层抽样。

Random sampling gives every member of the target population an equal chance of selection, but is not always practical.

随机抽样让目标总体中每个成员都有相同被选中的机会，但不一定总是可行。
Ethical guidelines include informed consent, deception avoidance, debriefing, right to withdraw, confidentiality and protection from harm.

伦理准则包括知情同意、避免欺骗、事后解释、退出权、保密和免受伤害。

Common error: writing ‘the IV is memory’ when memory is what is measured, so it is the DV. Another frequent mistake is using ‘random sampling’ for any convenient recruitment method, when really it is opportunity sampling.

常见错误：把 ‘记忆’ 写成自变量，而记忆是被测量结果，所以是因变量。另一个常见错误是把任何方便招募的方法都写成 ‘随机抽样’，实际上那是机会抽样。

9. Data Handling and Evaluation | 数据处理与评价

Mean, median and mode are measures of central tendency, while range and standard deviation describe spread. Quantitative data can be summarised by numbers; qualitative data provides rich detail but is harder to compare.

平均数、中位数和众数是集中趋势测量，极差和标准差描述离散程度。定量数据可用数字汇总；定性数据提供丰富细节但较难比较。

Use the mean for normally distributed data without extreme outliers, and the median when outliers are present.

在没有极端异常值的正态分布数据中使用平均数，存在异常值时使用中位数。
Evaluation should discuss strengths and weaknesses of method, sample, controls, validity and ethics.

评价应讨论方法、样本、控制、效度和伦理的优缺点。

Common error: giving only a definition of validity without explaining how a study has high or low validity. Another error is using the word ‘proof’ when psychology studies provide support or evidence, not proof.

常见错误：只给效度下定义，却不解释某研究效度高或低。另一个错误是使用 ‘证明’ 一词，而心理学研究提供的是支持或证据，不是证明。

10. Common Mistakes in 6/8-Mark Questions | 6/8 分题常见错误

Extended answers require a clear structure: define the key term, describe the study or theory, apply it to the question, and evaluate with strengths and weaknesses. Many students lose marks by only describing the procedure.

扩展题需要清晰结构：定义关键术语、描述研究或理论、应用到题目、并用优缺点进行评价。很多学生只描述程序而失分。

Common mistake	Correction
Describing without evaluating	Add at least one strengths and one weaknesses point.
Ignoring the question context	Link every paragraph back to the stem.
Using vague terms	Use precise terms such as ‘ecological validity’ and ‘standardised procedure’.

常见错误：只描述不评价；忽视题目情境；使用模糊术语。纠正方法：至少写出一个优点和一个缺点；每段回到题干；使用 ‘生态效度’ 和 ‘标准化程序’ 等准确术语。

11. Exam Technique: Command Words | 考试技巧：指令词

Command words control what the examiner expects. ‘Describe’ asks for detail of procedure or findings; ‘Explain’ asks for reasons or mechanisms; ‘Evaluate’ asks for strengths and weaknesses; ‘Discuss’ combines both.

指令词决定考官期待什么。’Describe’ 要求程序或发现的细节；’Explain’ 要求原因或机制；’Evaluate’ 要求优缺点；’Discuss’ 要求两者结合。

For ‘describe’, include aim, method, sample, procedure and results in a concise sequence.

对于 ‘describe’，按目的、方法、样本、程序和结果顺序简要作答。
For ‘evaluate’, use evidence-based critique, not personal opinion such as ‘I think it was good’.

对于 ‘evaluate’，使用基于证据的批评，而不是 ‘我觉得很好’ 这类个人意见。

12. Revision Checklist | 复习清单

Before the exam, check that you can define and use each core study, link it to its psychological theory, state the IV and DV, identify one strength and one weakness, and connect it to ethical or methodological issues.

考前检查你是否能定义并运用每项核心研究，将其联系到相应心理学理论，说明自变量和因变量，指出一个优点和一个缺点，并联系伦理或方法问题。

Memory: Loftus and Palmer, Andrade, reconstructive memory, multi-store model.

记忆：Loftus 和 Palmer、Andrade、重构记忆、多存储模型。
Perception: Gregory, Gibson, Blakemore and Cooper, Carmichael.

知觉：Gregory、Gibson、Blakemore 和 Cooper、Carmichael。
Social influence: Asch, Milgram, Latané and Darley.

社会影响：Asch、Milgram、Latané 和 Darley。
Development: Bowlby, Ainsworth, Piaget.

发展：Bowlby、Ainsworth、Piaget。
Methods: IV, DV, controls, sampling, ethics, data analysis.

方法：自变量、因变量、控制、抽样、伦理、数据分析。

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IGCSE CAIE Psychology: High-Frequency Topics and Common Error Analysis | IGCSE CAIE 心理学：高频考点与易错题分析