📚 Year 9 WJEC Psychology: Core Knowledge Review | Year 9 WJEC心理学：核心知识点梳理
Welcome to your essential revision guide for Year 9 WJEC Psychology. This article summarises the core topics you need to know, from research methods to memory and attachment, helping you build a solid foundation for further study and examination success.
欢迎阅读Year 9 WJEC心理学的核心复习指南。本文总结了你需要掌握的核心主题，从研究方法到记忆和依恋，帮助你为进一步的学习和考试成功打下坚实基础。
1. What is Psychology? | 什么是心理学？
Psychology is the scientific study of mind and behaviour. It relies on systematic methods to observe, describe, explain, and predict how people think, feel, and act in various contexts.
心理学是对心智和行为的科学研究。它依靠系统的方法来观察、描述、解释和预测人们在各种情境中如何思考、感受和行动。
Psychologists work in many fields such as clinical, educational, forensic, and neuropsychology. The discipline seeks to understand both typical and atypical behaviour by gathering empirical evidence.
心理学家在许多领域工作，如临床心理学、教育心理学、司法心理学和神经心理学。该学科试图通过收集实证证据来理解典型和非典型行为。
2. Research Methods in Psychology | 心理学的研究方法
Psychological research uses several key methods. In experiments, the researcher manipulates an independent variable (IV) to measure its effect on a dependent variable (DV). For example, a study might test how background music (IV) influences concentration test scores (DV).
心理学研究使用几种关键方法。在实验中，研究者操纵自变量（IV）以测量其对因变量（DV）的影响。例如，一项研究可能测试背景音乐（IV）如何影响注意力测试分数（DV）。
Experiments can be laboratory-based (tightly controlled), field-based (in natural settings), or natural (using naturally occurring IVs like age). Extraneous variables must be controlled to avoid confounding results.
实验可以是实验室实验（受严格控制的）、现场实验（在自然环境中）或自然实验（使用像年龄这样自然发生的IV）。必须控制额外变量，以免混淆结果。
Other methods include naturalistic observation, where behaviour is watched without interference, and questionnaires, which collect self-report data. Case studies offer in-depth exploration of an individual or small group, providing rich qualitative insight but limited generalisability.
其他方法包括自然观察法，即在不受干预的情况下观察行为，以及问卷调查法，收集自我报告数据。案例研究提供了对个体或小群体的深入探索，提供丰富的定性洞察，但普遍性有限。
3. Memory: How We Remember and Forget | 记忆：我们如何记忆与遗忘
rs through our senses; attention transfers it to STM, which can hold about 7 ± 2 chunks of information (Miller, 1956).
记忆通常用多存储模型描述：感觉登记、短时记忆（STM）和长时记忆（LTM）。信息通过我们的感官进入；注意将其转移到STM，STM可以容纳约 7 ± 2 个组块的信息（Miller, 1956）。
Peterson and Peterson (1959) showed that STM duration is very short (18–30 seconds) without rehearsal. Elaborative rehearsal, linking new information to existing knowledge, moves material into LTM, which appears to have unlimited capacity and duration.
Peterson和Peterson（1959）的研究表明，如果没有复述，STM的持续时间非常短（18-30秒）。精细复述，即将新信息与已有知识联系起来，可将材料转移到LTM，LTM似乎具有无限的容量和持续时间。
Forgetting can happen through decay or interference. Proactive interference is when old learning disrupts recall of new material; retroactive interference is when new learning disrupts recall of old. Context and state cues can aid retrieval: being in the same place or mood as during learning improves memory.
遗忘可能通过衰退或干扰发生。前摄干扰是指旧的学习干扰新材料的回忆；倒摄干扰是指新学习干扰旧信息的回忆。上下文和状态线索有助于提取：处于与学习时相同的地点或情绪状态可以改善记忆。
4. Attachment: Early Relationships Matter | 依恋：早期关系的重要性
Attachment is a deep emotional bond between an infant and caregiver. John Bowlby proposed that attachment behaviours are innate and promote survival, as infants seek proximity to caregivers for safety and comfort.
依恋是婴儿和照顾者之间深厚的情感纽带。约翰·鲍尔比提出依恋行为是天生的，能促进生存，因为婴儿会寻求贴近照顾者以获得安全和安慰。
Mary Ainsworth designed the ‘Strange Situation’ to assess attachment quality. She identified three main types: secure (infant shows distress at separation but is easily comforted on reunion), insecure-avoidant (infant avoids caregiver and shows little distress), and insecure-resistant (infant is clingy but resists comfort).
玛丽·爱因斯沃斯设计了“陌生情境”来评估依恋质量。她确定了三种主要类型：安全型（婴儿在分离时表现出痛苦，但重聚时容易得到安慰）、不安全-回避型（婴儿回避照顾者，几乎不表现痛苦）和不安全-抵抗型（婴儿很黏人但抗拒安慰）。
Secure attachment is associated with healthier social, emotional, and cognitive development later in life, highlighting the importance of responsive caregiving.
安全型依恋与日后更健康的社会、情感和认知发展相关，这突显了回应性照顾的重要性。
5. Social Influence: Conformity and Obedience | 社会影响：从众与服从
Conformity is a change in behaviour or belief to match a group. Asch’s line-judgement study revealed that participants often gave obviously wrong answers to align with a unanimous majority, driven by normative social influence (wanting to be liked) or informational influence (believing the group knows better).
从众是指改变行为或信念以与群体一致。阿希的线条判断研究揭示，参与者经常给出明显错误的答案以与一致多数保持一致，这受规范性社会影响（希望被喜欢）或信息性社会影响（认为群体更懂）驱动。
Obedience involves carrying out commands from an authority figure. Milgram’s electric shock experiment famously showed that 65% of participants were willing to deliver what they thought were dangerous shocks to a learner, simply because an experimenter told them to continue.
服从涉及执行权威人物的命令。米尔格拉姆的电击实验著名地表明，65%的参与者愿意对学习者施加他们认为危险的电击，仅仅因为实验者告诉他们继续。
Factors affecting obedience include proximity of authority, the prestige of the setting, and the presence of disobedient peers. Understanding these forces helps us recognise how ordinary people can behave in extreme ways under social pressure.
影响服从的因素包括权威的接近性、环境的威望以及是否存在不服从的同辈。理解这些力量有助于我们认识普通人在社会压力下如何表现出极端行为。
6. Cognitive Development: Piaget's Stages | 认知发展：皮亚杰的阶段理论
Jean Piaget’s theory describes four invariant stages of cognitive development. In the sensorimotor stage (0-2 years), infants learn through reflexes and actions, gradually developing object permanence – the understanding that objects continue to exist even when out of sight.
让·皮亚杰的理论描述了四个不变的认知发展阶段。在感知运动阶段（0-2岁），婴儿通过反射和动作学习，逐渐发展客体永久性——即理解物体即使看不见也继续存在。
The preoperational stage (2-7 years) features symbolic thought, but children are egocentric (cannot see others’ perspectives) and fail conservation tasks (e.g., thinking a taller, thinner beaker holds more water).
前运算阶段（2-7岁）以符号思维为特征，但儿童以自我为中心（无法理解他人的视角），并且在守恒任务中失败（例如，认为更高更细的烧杯装有更多的水）。
During the concrete operational stage (7-11 years), logical reasoning about tangible objects emerges, including conservation. The formal operational stage (11+ years) allows abstract and hypothetical-deductive reasoning, essential for scientific thinking.
在具体运算阶段（7-11岁），出现了关于具体物体的逻辑推理能力，包括守恒。形式运算阶段（11岁以上）允许抽象和假设-演绎推理，这对科学思维至关重要。
7. The Brain and Neuropsychology | 大脑与神经心理学
The brain is organised into distinct regions with specialised functions. The brainstem manages automatic vital functions such as breathing and heartbeat. The cerebellum coordinates balance and fine movement.
大脑被组织为具有专门功能的不同区域。脑干管理自动的生命功能，如呼吸和心跳。小脑协调平衡和精细运动。
The cerebrum is split into two hemispheres; each hemisphere has four lobes. The frontal lobe, particularly the prefrontal cortex, is involved in planning, decision-making, and personality. The famous case of Phineas Gage, who survived an iron rod through his frontal lobe, showed notable personality changes, providing early evidence for localisation of function.
大脑分为两个半球；每个半球有四个叶。额叶，特别是前额叶皮层，参与计划、决策和人格。著名的菲尼亚斯·盖奇案例，他幸存了一根铁棍穿过其额叶，表现出了显著的人格变化，为大脑功能定位提供了早期证据。
Neurons transmit information via electrical impulses and neurotransmitters that cross synapses. Modern brain imaging techniques like MRI allow psychologists to examine brain structure and activity non-invasively.
神经元通过电脉冲和跨越突触的神经递质传递信息。现代脑成像技术如MRI使心理学家能够无创地检查大脑结构和活动。
8. Psychological Problems: Understanding Mental Health | 心理问题：理解心理健康
Mental health is best understood as a continuum, ranging from flourishing to severe disorder. Two common conditions are depression (persistent sadness, loss of interest, fatigue) and anxiety disorders (excessive worry, restlessness, physical arousal).
心理健康最好被理解为一个连续体，从蓬勃发展状态到严重障碍。两种常见状况是抑郁症（持续的悲伤、丧失兴趣、疲劳）和焦虑症（过度担忧、坐立不安、身体唤醒）。
Stigma and stereotypes about mental health can prevent individuals from seeking support. The WJEC course encourages understanding these disorders biologically (e.g., neurotransmitter imbalances) and psychologically (e.g., negative thinking patterns), while promoting empathy and accurate knowledge.
关于心理健康的污名和刻板印象会阻碍个体寻求支持。WJEC课程鼓励从生物学角度（例如，神经递质失衡）和心理学角度（例如，消极思维模式）理解这些障碍，同时促进同理心和准确的知识。
9. Research Ethics and Practical Issues | 研究伦理与实际应用
Ethical considerations are central to psychological research. The British Psychological Society (BPS) code demands informed consent, the right to withdraw, confidentiality, and protection from physical or psychological harm. Deception must be justified and debriefing provided afterwards.
伦理考量是心理学研究的核心。英国心理学会（BPS）准则要求知情同意、退出权、保密以及免受身体或心理伤害保护。欺骗必须有理由，并在事后提供事后解释。
Practical issues in research include time, funding, access to participants, and cultural bias. Researchers also try to minimise demand characteristics (cues that reveal the study’s aim) and social desirability bias (participants giving ‘nice’ answers) to enhance validity.
研究中的实际因素包括时间、资金、获取参与者以及文化偏见。研究者还试图最小化需求特征（揭示研究目的的线索）和社会赞许性偏差（参与者给予“好听”的答案）以提高效度。
10. Revision Strategies for Psychology | 心理学复习策略
Effective revision goes beyond reading. Use active recall: create flashcards with core concepts (e.g., ‘attachment types’) on one side and definitions with key studies on the other, then test yourself repeatedly.
有效复习不止于阅读。运用主动回忆：制作抽认卡，一面写核心概念（如“依恋类型”），另一面写定义和关键研究，然后反复自我测试。
The spacing effect shows that distributing study sessions over days or weeks leads to better long-term retention than cramming. Mind maps help visualise links between topics, such as how cognitive development connects to brain maturation.
间隔效应表明，将学习时段分散在几天或几周内比突击填鸭能带来更好的长期保持。思维导图有助于可视化主题之间的联系，例如认知发展如何与大脑成熟相关联。
Apply your knowledge by answering WJEC-style exam questions. Pay particular attention to describing studies and evaluating them with strengths and weaknesses. Mark schemes reveal exactly what examiners expect.
通过回答WJEC风格的试题来应用你的知识。特别注意描述研究并从优缺点方面进行评价。评分方案揭示了考官的确切要求。
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