Year 9 CAIE Psychology: Core Knowledge Summary | Year 9 CAIE 心理学：核心知识点梳理

📚 Year 9 CAIE Psychology: Core Knowledge Summary | Year 9 CAIE 心理学：核心知识点梳理

Welcome to your Year 9 CAIE Psychology revision guide. This article organises all the essential knowledge you need to master the foundations of psychology, from research methods and key approaches to memory, social influence, and attachment. Use it to consolidate your understanding and identify areas for further study.

欢迎来到 Year 9 CAIE 心理学复习指南。本文梳理了掌握心理学基础所需的所有核心知识点，涵盖研究方法、主要流派、记忆、社会影响以及依恋等内容。用它来巩固理解，并找出需要进一步学习的薄弱环节。

1. Introduction to Psychology | 心理学导论

Psychology is the scientific study of mind and behaviour. It seeks to describe, explain, predict, and sometimes change how people think, feel, and act. Unlike everyday opinions, psychological knowledge is based on empirical evidence gathered through systematic observation and experimentation.

心理学是对心理和行为的科学研究。它试图描述、解释、预测，有时也改变人们的思考、感受和行为方式。与日常观点不同，心理学知识建立在通过系统观察和实验获得的实证证据之上。

The term ‘psychology’ comes from the Greek words ‘psyche’ (mind or soul) and ‘logos’ (study). Modern psychology is broad, covering everything from the firing of neurons in the brain to the way groups make decisions. It bridges the natural sciences and social sciences.

“心理学”一词源自希腊语“psyche”（心灵或灵魂）与“logos”（学问）。现代心理学范畴广泛，从大脑神经元的放电到群体决策方式，无所不包，是连接自然科学与社会科学的桥梁。

Key goals of psychology include describing behaviour through careful observation, explaining why a behaviour occurs by proposing theories, predicting future behaviour under certain conditions, and controlling or modifying behaviour in therapeutic settings. The scientific method is central to all of these aims.

心理学的主要目标包括：通过仔细观察描述行为，通过提出理论解释行为为何发生，预测特定条件下的未来行为，以及在治疗情境中控制或改变行为。科学方法是实现所有这些目标的核心。

2. Research Methods in Psychology | 心理学研究方法

Psychologists use several research methods to gather data. The most powerful is the experiment, where a researcher manipulates an independent variable (IV) and measures its effect on a dependent variable (DV), while controlling other variables. This allows cause-and-effect conclusions to be drawn.

心理学家使用多种研究方法来收集数据。其中最有力的方法是实验，研究者操纵自变量(IV)，测量其对因变量(DV)的影响，同时控制其他变量。这样就能得出因果结论。

Other methods include observations (watching behaviour in natural or controlled settings), questionnaires and surveys (self-report data from many participants), interviews (structured or unstructured), and case studies (in-depth investigation of a single person or small group). Each has strengths and limitations.

其他方法包括观察法（在自然或受控环境中观察行为）、问卷调查（收集大量参与者的自我报告数据）、访谈法（结构化或非结构化），以及个案研究（对单个人或小团体的深入调查）。每种方法都有其优势和局限。

A crucial concept is the hypothesis – a testable, predictive statement about the relationship between variables. For example: ‘Students who listen to music while revising will recall fewer words than those in silence.’ The null hypothesis states there will be no difference.

一个关键概念是假设——一个关于变量之间关系的可检验的预测性陈述。例如：“复习时听音乐的学生比在安静环境中复习的学生回忆的单词更少。”零假设则声称没有差异。

Sampling techniques matter because the sample should represent the target population. Random sampling gives everyone an equal chance, stratified sampling ensures subgroups are proportionally represented, and opportunity sampling uses whoever is available. Biased samples weaken the generalisability of findings.

抽样技术很重要，因为样本应代表目标人群。随机抽样让每个人都有同等机会，分层抽样确保亚群按比例被代表，而便利抽样使用身边可及的人。有偏差的样本会削弱研究结果的推广性。

3. The Biological Approach | 生物学流派

The biological approach explains behaviour through physical processes in the brain, nervous system, hormones, and genetics. It assumes that all thoughts and feelings have a physiological basis. Neurotransmitters like serotonin and dopamine play key roles in mood and motivation.

生物学流派通过大脑、神经系统、激素和遗传等生理过程来解释行为。它假定所有思想与情感都有生理基础。像血清素和多巴胺这样的神经递质在情绪和动机中起关键作用。

Brain scanning techniques such as fMRI and PET scans have allowed psychologists to link specific brain regions to functions – for example, the hippocampus to memory, and the amygdala to fear and aggression. Twin studies help disentangle genetic and environmental influences.

功能性磁共振成像(fMRI)和正电子发射断层扫描(PET)等脑成像技术，使心理学家能将特定脑区与功能相联系——例如海马体与记忆，杏仁核与恐惧和攻击性。双生子研究帮助区分遗传与环境的影响。

The approach is highly scientific and often uses animal studies to explore brain function. However, critics note it can be reductionist, explaining complex human experiences only in terms of biology, and it may neglect social and cultural factors.

该流派高度科学化，经常使用动物研究来探索大脑功能。然而，批评者指出它可能过于还原论，仅从生物学角度解释复杂的人类体验，可能忽视社会和文化因素。

4. The Cognitive Approach | 认知流派

The cognitive approach focuses on internal mental processes such as perception, attention, memory, language, and problem-solving. It compares the mind to a computer, with input, processing, storage, and output. Cognitive psychologists study how we encode, store, and retrieve information.

认知流派关注内在心理过程，如感知、注意、记忆、语言和问题解决。它将心理比作计算机，有输入、加工、存储和输出。认知心理学家研究我们如何编码、储存和提取信息。

Theoretical models like the information-processing model and computer models help explain mental operations. Schemas – mental frameworks built from past experiences – influence how we interpret new information and can lead to biases and distortions in memory.

信息加工模型和计算机模型等理论模型，有助于解释心理操作。图式——由过去经验建立的心理框架——影响我们如何解读新信息，并可能导致记忆的偏差与扭曲。

Cognitive neuroscience combines cognitive psychology with brain imaging to locate mental functions in the brain. The approach uses rigorous experimental methods and has practical applications in improving memory and treating conditions like depression through cognitive-behavioural therapy (CBT).

认知神经科学将认知心理学与脑成像结合，以定位大脑中的心理功能。该流派采用严谨的实验方法，并应用于改善记忆以及通过认知行为疗法(CBT)治疗抑郁症等实际问题。

5. Memory: Models and Processes | 记忆：模型与过程

Memory is the process of encoding, storing, and retrieving information. The multi-store model (Atkinson & Shiffrin, 1968) proposes three separate stores: sensory memory, short-term memory (STM), and long-term memory (LTM). Information moves between them through attention and rehearsal.

记忆是编码、储存和提取信息的过程。多存储模型（Atkinson 和 Shiffrin, 1968）提出三个独立的存储系统：感觉记忆、短时记忆(STM)和长时记忆(LTM)。信息通过注意和复述在它们之间转移。

The following table summarises key features of each store:

下表总结了各存储系统的关键特征：

Memory Store	Capacity	Duration	Encoding
Sensory Memory	Very large	~0.5 seconds	Sense-specific (iconic/echoic)
Short-term Memory (STM)	7 ± 2 items	~18-30 seconds	Mainly acoustic
Long-term Memory (LTM)	Unlimited	Potentially a lifetime	Mainly semantic

Rehearsal loops within STM help keep information active, but without deeper processing, forgetting occurs. The model has been criticised for oversimplifying; working memory (Baddeley & Hitch, 1974) introduced multiple components like the central executive and phonological loop.

STM内的复述循环有助于保持信息活跃，但若不进行深度加工，遗忘就会发生。该模型被批评过度简化；工作记忆模型（Baddeley 和 Hitch, 1974）引入了中央执行器和语音回路等多个组件。

Forgetting can occur due to decay, interference (proactive or retroactive), or lack of retrieval cues. Context-dependent and state-dependent memory show that we recall better when the learning and testing environments or internal states match.

遗忘可能由于消退、干扰（前摄或倒摄干扰）或缺乏提取线索而发生。情境依存和状态依存记忆表明，当学习和测试环境或内部状态相匹配时，回忆效果更好。

6. Social Influence: Conformity and Obedience | 社会影响：从众与服从

Social influence examines how individuals’ thoughts, feelings, and behaviours are affected by others. Conformity is a change in behaviour or belief to fit in with a group. Asch’s (1951) line experiment showed that many people gave obviously wrong answers to avoid disagreement with the majority.

社会影响研究个体的思想、情感和行为如何受他人影响。从众是指为融入群体而改变行为或信念。阿希(1951)的线段实验表明，许多人为了避免与多数人意见相左，给出了明显错误的答案。

Three types of conformity have been identified: compliance (publicly agreeing but privately disagreeing), identification (temporary change to fit a valued group), and internalisation (genuine acceptance of group norms both publicly and privately). Normative and informational social influence explain why we conform.

已识别出三种从众类型：顺从（公开同意但私下反对）、认同（为融入重视的群体而做的暂时改变）和内化（从公开到私下都真正接受群体规范）。规范性社会影响与信息性社会影响解释了为何从众。

Obedience is following direct orders from an authority figure. Milgram’s (1963) electric shock study revealed disturbingly high levels of obedience, with 65% of participants administering a lethal 450-volt shock. Factors such as proximity of the authority, legitimacy of setting, and peer support dramatically influenced obedience levels.

服从是指遵循权威人物直接下达的命令。米尔格拉姆(1963)的电击实验揭示了令人不安的高服从率，65%的参与者施加了致命的450伏电击。权威接近度、环境合法性及同伴支持等因素显著影响服从程度。

7. Attachment in Development | 发展中的依恋

Attachment is the emotional bond between an infant and their primary caregiver. It is crucial for survival, providing safety and a secure base for exploration. John Bowlby’s theory emphasised that attachment behaviours are innate and that early relationships form an internal working model for later relationships.

依恋是婴儿与主要照料者之间的情感纽带。它对生存至关重要，提供安全感和探索世界的安全基地。鲍尔比的理论强调依恋行为是与生俱来的，且早期关系为日后的人际关系形成了内部工作模型。

Mary Ainsworth’s ‘Strange Situation’ experiment identified three attachment types: secure (distress when caregiver leaves, joy on return), insecure-avoidant (little distress, avoids contact on return), and insecure-resistant (intense distress, ambivalence on return). Later research added disorganised attachment.

安斯沃斯的“陌生情境”实验识别出三种依恋类型：安全型（照料者离开时痛苦，返回时喜悦）、不安全回避型（很少痛苦，返回时回避接触）和不安全矛盾型（极度痛苦，返回时表现矛盾）。后续研究增加了紊乱型依恋。

Cultural variations exist: secure attachment is most common globally, but the proportion of insecure types differs. For instance, some German studies showed higher avoidant attachment, linked to cultural values of independence, while Japanese infants showed more resistant patterns, possibly due to less separation experience.

存在文化差异：安全型依恋在全球范围内最常见，但不安全类型的比例有所不同。例如，一些德国研究显示回避型比例更高，这与鼓励独立的文化价值有关；而日本婴儿的矛盾型模式更多，可能因为分离经验较少。

Maternal deprivation (separation from the mother) can have long-term effects on emotional and social development, but the damage can be alleviated by quality substitute care. Bowlby’s 44 thieves study suggested a link between early separation and juvenile delinquency, though the study had methodological weaknesses.

母亲剥夺（与母亲分离）可能对情感和社会性发展产生长期影响，但优质的替代照料可减轻损害。鲍尔比的44名少年犯研究认为早期分离与青少年犯罪有关，但该研究存在方法学缺陷。

8. Language and Thought | 语言与思维

Language is a system of symbols and rules that allows us to communicate. It is a uniquely human ability, though some animals show limited symbolic communication. Psycholinguistics studies how language is acquired, produced, and comprehended. The relationship between language and thought is debated.

语言是一种符号和规则系统，使我们能够交流。这是人类独有的能力，尽管某些动物表现出有限的符号交流。心理语言学研究生如何习得、产出和理解语言。语言与思维之间的关系饱受争议。

The Sapir-Whorf hypothesis suggests that language determines thought (linguistic determinism) or influences it (linguistic relativity). For example, languages with many words for snow might lead speakers to perceive snow differently. However, the strong version is now widely rejected.

萨丕尔-沃尔夫假说认为语言决定思维（语言决定论）或影响思维（语言相对论）。例如，拥有许多“雪”的词汇的语言，可能导致说话者对雪的感知不同。不过，强版本现已大多未被接受。

Children appear to have an innate language acquisition device (Chomsky), yet social interaction and scaffolding (Bruner) are also crucial. Stages of language development include cooing, babbling, one-word stage, two-word stage, and telegraphic speech. Overgeneralisation errors like ‘goed’ instead of ‘went’ show rule-learning is active.

儿童似乎具有先天的语言习得装置（乔姆斯基），但社会互动和支架作用（布鲁纳）也至关重要。语言发展阶段包括咕咕声、咿呀语、单字期、双字期和电报句。像“goed”而非“went”的过度泛化错误表明规则学习是活跃的。

9. Ethical Issues in Psychology | 心理学中的伦理问题

Psychological research must follow strict ethical guidelines to protect participants. The British Psychological Society (BPS) and American Psychological Association (APA) provide codes of conduct covering informed consent, deception, the right to withdraw, protection from harm, confidentiality, and debriefing.

心理学研究必须遵循严格的伦理准则以保护参与者。英国心理学会(BPS)和美国心理学会(APA)提供了行为准则，涵盖知情同意、欺骗、退出权、免受伤害保护、保密以及事后解释。

Informed consent means participants should know the true aim and procedures, but sometimes deception is necessary to avoid demand characteristics. In such cases, researchers must justify the deception, ensure no lasting harm, and debrief participants fully after the study, offering support if needed.

知情同意意味着参与者应知晓真实目的与程序，但有时为避免需求特征，欺骗是必要的。此时研究者须证明欺骗的合理性，确保无持久伤害，并在研究后向参与者充分解释，必要时提供支持。

Issues arise when studying vulnerable groups like children or people with mental health conditions. Special safeguards are required. In observational research, privacy must be respected – usually only public behaviour can be observed without consent. Ethical committees review proposals to balance scientific value against participant welfare.

研究儿童或具有心理健康状况者等弱势群体时会引发问题，需要特殊保护。在观察研究中，必须尊重隐私——通常只有公共行为可在未经同意下观察。伦理委员会审查研究提案，以在科学价值与参与者福利间取得平衡。

10. Key Terminology and Study Tips | 关键术语与学习建议

Building a strong vocabulary is essential for psychology success. Learn terms like ‘validity’ (whether a test measures what it claims to), ‘reliability’ (consistency of results), ‘generalisability’ (applicability to wider population), and ‘ecological validity’ (realism of the research setting).

建立扎实的词汇量对心理学成功至关重要。掌握如“效度”（测试是否测量了宣称要测的内容）、“信度”（结果的一致性）、“推广性”（对更大人群的适用性）以及“生态效度”（研究情境的真实性）等术语。

Use active recall: after reading a section, close the book and write down everything you remember. Compare it with your notes to fill gaps. Create mind maps linking key concepts. Explain theories to a study partner in your own words – this tests understanding, not just recognition.

运用主动回忆：阅读一节后，合上书，写下你记得的所有内容。与笔记对比以填补缺失。制作思维导图连接关键概念。用自己的话向学习伙伴解释理论——这能检验理解程度，而非仅仅辨认能力。

Practice applying concepts to real-life scenarios. For example, identify types of conformity in everyday school situations, or design a simple experiment following ethical guidelines. Solving past paper questions helps you understand how examiners phrase questions and what they expect in answers.

练习将概念应用于现实生活情境。例如，找出日常校园中的从众类型，或按照伦理准则设计一个简单实验。解答历年真题有助于理解考官如何措辞以及期望怎样的答案。

Review ethical issues in famous studies like Milgram’s and Asch’s.
Compare and contrast research methods: strengths and weaknesses.
Keep a glossary of key terms with definitions and examples.
Draw labelled diagrams of memory models.
Discuss cultural and gender biases in psychological theories.

复习米尔格拉姆与阿希等著名研究中的伦理问题。
比较并对比各种研究方法的优缺点。
保持一份带有定义和示例的关键术语词汇表。
绘制记忆模型的标注图示。
讨论心理学理论中的文化和性别偏见。

A solid grasp of these core topics will prepare you well for assessments. Remember, psychology is as much about critical evaluation as it is about learning facts. Always ask yourself: ‘What evidence supports this? Are there alternative explanations? How well does the research generalise?’

扎实掌握这些核心主题将为你应对评估做好充分准备。请记住，心理学既关乎学习事实，同样关乎批判性评价。始终自问：“有何证据支持这一点？是否存在替代解释？这项研究的推广性如何？”

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Year 9 CAIE Psychology: Core Knowledge Summary | Year 9 CAIE 心理学：核心知识点梳理