📚 Year 10 OCR Psychology: Core Knowledge Review | Year 10 OCR 心理学：核心知识点梳理
Whether you are just starting your GCSE Psychology journey or preparing for end-of-year tests, a clear overview of the core content can make all the difference. This revision guide covers the essential topics from the OCR specification, drawing together key theories, famous studies, and evaluation points that often appear in exam questions. Read through each section carefully, and use the paired explanations to strengthen your understanding of both the terminology and the underlying concepts.
无论你是刚刚踏上 GCSE 心理学之旅，还是在为年终考试做准备，一篇清晰的核心内容梳理都能带来巨大帮助。这份复习指南涵盖 OCR 考试大纲的基本主题，汇集了常在考题中出现的关键理论、经典研究和评价要点。请仔细阅读每一节，利用中英双语解释来加深你对术语和底层概念的理解。
1. Research Methods: The Scientific Approach | 研究方法：科学方法
In any experiment, the independent variable (IV) is the factor that the researcher deliberately manipulates, while the dependent variable (DV) is the behaviour or response that is measured. Careful control of extraneous variables ensures that changes in the DV can be confidently attributed to the IV, which is the basis of establishing cause and effect.
在任何实验中，自变量 (IV) 是研究者有意操纵的因素，而因变量 (DV) 是被测量的行为或反应。对额外变量的谨慎控制确保了因变量的变化能够可靠地归因于自变量，这是建立因果关系的基础。
OCR candidates need to know three common experimental designs. An independent groups design uses different participants in each condition; a repeated measures design uses the same participants in all conditions; and a matched pairs design pairs participants on key characteristics before allocating them to different conditions. Each design has its own strengths and weaknesses in terms of participant variables and order effects.
OCR 考生需要了解三种常见的实验设计。独立组设计在每种条件下使用不同的参与者；重复测量设计在所有条件下使用相同的参与者；配对组设计则在将参与者分配到不同条件前，先根据关键特征进行配对。每种设计在控制参与者变量和顺序效应方面各有其优缺点。
Ethical guidelines protect participants' wellbeing. The British Psychological Society (BPS) sets out principles such as informed consent, avoidance of deception, the right to withdraw, protection from harm and confidentiality. When evaluating a study, you are expected to comment on whether these ethical standards were upheld.
伦理准则保护参与者的福祉。英国心理学会 (BPS) 制定了知情同意、避免欺骗、退出权、避免伤害和保密等原则。在评价一项研究时，你需要评论这些伦理标准是否得到了遵守。
2. Memory Models: From Sensory Register to Long-Term Memory | 记忆模型：从感觉登记到长时记忆
The multi-store model (Atkinson and Shiffrin, 1968) describes memory as a flow of information through three distinct stores: sensory register, short-term memory (STM) and long-term memory (LTM). Attention is needed to transfer information from the sensory register to STM, and rehearsal is needed to move it from STM to LTM for permanent storage.
多储存模型（Atkinson 和 Shiffrin, 1968）将记忆描述为信息流经三个不同的储存库：感觉登记、短时记忆 (STM) 和长时记忆 (LTM)。注意是将信息从感觉登记转移到 STM 所必需的，而复述则是将信息从 STM 转移到 LTM 以实现永久存储所必需的。
| Feature (English) | 特征 (中文) |
|---|---|
| Encoding: mainly acoustic in STM; mainly semantic in LTM | 编码：STM 主要为听觉编码；LTM 主要为语义编码 |
| Capacity: 7 ± 2 items in STM; potentially unlimited in LTM | 容量：STM 为 7 ± 2 个项目；LTM 为潜在无限 |
| Duration: 18–30 seconds in STM; a lifetime in LTM | 持续时间：STM 为 18–30 秒；LTM 可长达一生 |
Peterson and Peterson (1959) demonstrated the limited duration of STM by asking participants to recall trigrams after a distraction task lasting up to 18 seconds. Recall dropped sharply after just a few seconds, supporting the idea that information decays rapidly without rehearsal.
Peterson 和 Peterson (1959) 通过让参与者在长达 18 秒的干扰任务后回忆三元组，证明了 STM 的持续时间有限。仅仅几秒后回忆成绩便急剧下降，这一发现支持了信息在无复述时会迅速衰退的观点。
Bartlett (1932) offered a different perspective with his schema theory, showing that memory is reconstructive. When British participants recalled a Native American story called 'The War of the Ghosts', they distorted details to fit their own cultural expectations. This highlights that long-term memory is not a passive recording but an active process influenced by prior knowledge.
Bartlett (1932) 以其图式理论提供了一个不同的视角，他表明记忆是重构性的。当英国参与者回忆一个名为“幽灵之战”的美洲原住民故事时，他们会根据自身的文化期待歪曲细节。这突出说明长时记忆不是被动的记录，而是一个受先前知识影响的主动过程。
3. Social Influence: Conformity and Obedience | 社会影响：从众与服从
Social influence examines how the presence of others can change our behaviour. Conformity occurs when an individual adjusts their behaviour or beliefs to match those of a group, often due to real or imagined pressure. Asch's (1951) line judgement study showed that participants conformed to an obviously wrong majority answer on 36.8% of critical trials, demonstrating normative social influence.
社会影响研究他人在场如何改变我们的行为。从众发生在个体调整其行为或信念以符合群体时，这通常源于真实或想象的压力。Asch (1951) 的线段判断研究显示，参与者在 36.8% 的关键试次中从众于明显错误的大多数答案，这证明了规范性社会影响的存在。
Obedience to authority is an even more extreme form of social influence, where an individual follows direct orders. In Milgram's (1963) infamous study, 65% of participants were willing to administer what they believed were lethal electric shocks to a learner, simply because an authority figure instructed them to continue. Situational factors, such as proximity of the authority figure and the prestigious setting, were crucial in producing high obedience levels.
服从权威是一种更极端的从众形式，即个体遵从直接的命令。在 Milgram (1963) 的著名研究中，65% 的参与者愿意对学习者施加他们认为是致命的电击，仅仅因为一位权威人物命令他们继续。情境因素，如权威人物的靠近程度和实验场所的声望，对产生高服从水平起着关键作用。
Diffusion of responsibility provides an explanation for bystander apathy. When more people are present in an emergency, each individual feels less personal responsibility to act because they assume someone else will intervene. Latané and Darley's (1968) smoke-filled room experiment confirmed this: participants alone reported the smoke sooner than those in groups.
责任扩散为旁观者冷漠提供了一种解释。当紧急事件中有更多人时，每个人都会感到更少的个人行动责任，因为他们假设别人会介入。Latané 和 Darley (1968) 的充满烟雾的房间实验证实了这一点：单独在场的参与者比群体中的参与者更快报告了烟雾。
4. Development: Cognitive Growth in Childhood | 发展：童年期的认知发展
Piaget's theory of cognitive development describes how children's thinking changes qualitatively through four stages. The pre-operational stage (ages 2–7) is marked by egocentrism and an inability to conserve; the concrete operational stage (ages 7–11) sees the acquisition of conservation and logical reasoning about concrete objects. Only in the formal operational stage (ages 11+) can adolescents think abstractly and hypothetically.
Piaget 的认知发展理论描述了儿童的思维如何经历四个质变的阶段。前运算阶段（2–7 岁）以自我中心和缺乏守恒能力为特征；具体运算阶段（7–11 岁）获得了守恒能力和对具体事物的逻辑推理；直到形式运算阶段（11 岁以上），青少年才开始能够进行抽象和假设性的思维。
Piaget's classic conservation tasks, such as pouring liquid from a short, wide beaker into a tall, thin cylinder, reveal pre-operational children's belief that the quantity changes with appearance. However, McGarrigle and Donaldson (1974) showed that when the change was introduced accidentally by a 'naughty teddy', far more 4- to 6-year-olds gave correct conservation answers, suggesting that the social context of the original task may have confused children.
Piaget 经典的守恒任务，例如将液体从矮而宽的烧杯倒入高而细的圆筒中，揭示了前运算儿童认为数量会随外观改变而改变的信念。然而，McGarrigle 和 Donaldson (1974) 表明，当变化是由一只“淘气小熊”意外造成时，远多于此前的 4–6 岁儿童给出了正确的守恒答案，这表明原任务的社会情境可能使儿童感到困惑。
Vygotsky placed greater emphasis on social interaction. He proposed the concept of the zone of proximal development (ZPD), the gap between what a child can do alone and what they can achieve with guidance from a more knowledgeable other. Scaffolding, the temporary support provided by adults or peers, helps children progress through the ZPD and emphasises the role of culture in learning.
Vygotsky 更强调社会互动的作用。他提出了最近发展区 (ZPD) 的概念，即儿童独立完成与在更有知识的他人指导下所能完成之间的距离。支架作用是指成人或同伴提供的临时支持，这有助于儿童跨越 ZPD，并突出了文化在学习中的角色。
5. Criminal Psychology: Explaining Offending Behaviour | 犯罪心理学：解释犯罪行为
According to social learning theory (Bandura, 1977), criminal behaviour is acquired through observation and imitation of role models. When a child sees a model being rewarded for aggressive or deviant acts (vicarious reinforcement), they are more likely to reproduce that behaviour. The Bobo doll experiment demonstrated that children imitate observed aggression, especially when the model is the same gender and is reinforced.
根据社会学习理论（Bandura, 1977），犯罪行为是通过观察和模仿榜样而习得的。当儿童看到榜样因攻击性或越轨行为而获得奖励（替代性强化），他们更有可能复制这些行为。Bobo 玩偶实验表明，儿童会模仿观察到的攻击行为，特别是当榜样与儿童同一性别且获得强化时。
Eysenck's personality theory proposes that offending can be linked to high scores on three dimensions: extraversion, neuroticism and psychoticism. Extraverts seek stimulation and may not condition easily to social norms; neurotics are emotionally unstable and impulsive; and those high in psychoticism lack empathy. Heaven's (1996) study of South African adolescents found that self-reported delinquency was positively correlated with psychoticism and extraversion, offering some support for Eysenck's view.
Eysenck 的人格理论提出，犯罪可能与在外向性、神经质和精神质三个维度上得分偏高有关。外向者追求刺激，不易对社交规范形成条件反射；神经质者情绪不稳定且冲动；精神质得分高者缺乏共情。Heaven (1996) 对南非青少年的研究发现，自我报告的违法行为与精神质和外向性呈正相关，这为 Eysenck 的观点提供了一定的支持。
Both explanations have limitations. Social learning theory underplays biological factors, while Eysenck's personality questionnaire (EPQ) relies on self-report data, which can be affected by social desirability bias. A full account of criminal psychology requires considering both social and biological influences, as well as cognitive factors such as hostile attribution bias.
这两种解释都有其局限性。社会学习理论对生物因素重视不足，而 Eysenck 的人格问卷 (EPQ) 依赖自我报告数据，可能会受到社会赞许性偏差的影响。全面理解犯罪心理学需要考虑社会和生物影响，以及诸如敌意归因偏差等认知因素。
6. Psychological Problems: Depression and Addiction | 心理问题：抑郁与成瘾
Unipolar depression is one of the most common mental health conditions. The biological explanation highlights the role of low levels of serotonin and noradrenaline at synapses, which can disrupt mood regulation. Twin and family studies provide evidence for a genetic component, although concordance rates are below 100%, indicating that environmental triggers also play a part.
单相抑郁是最常见的心理健康问题之一。生物解释强调突触中血清素和去甲肾上腺素水平偏低的作用，这会扰乱情绪调节。双生子和家族研究为遗传因素提供了证据，尽管同病率低于 100%，这表明环境触发也起到了作用。
Beck's cognitive account proposes a negative triad: a depressed person holds negative views about the self, the world and the future. Coupled with cognitive distortions such as overgeneralisation, these automatic negative thoughts maintain the depressive cycle. Ellis's ABC model (Activating event, Belief, Consequence) focused on how irrational beliefs turn a setback into a full depressive episode.
Beck 的认知解释提出了负性认知三联：抑郁者对自己、世界和未来抱有负面的看法。加之过度概括等认知歪曲，这些自动负性思想维持了抑郁循环。Ellis 的 ABC 模型（激活事件、信念、后果）则强调非理性信念如何将挫折转化为完整的抑郁发作。
Addiction can be understood through biological mechanisms: the dopamine reward pathway in the brain reinforces substance use by creating pleasurable feelings. Psychological explanations consider peer influence and the self-medication of stress. Treatments often combine cognitive behavioural therapy (CBT) with pharmacological support, such as antidepressants for depression or methadone for heroin addiction.
成瘾可以通过生物机制来理解：大脑中的多巴胺奖赏通路通过产生快感来强化物质使用。心理学解释则考虑到同伴影响和压力的自我药疗。治疗通常将认知行为疗法 (CBT) 与药物支持相结合，例如用抗抑郁药治疗抑郁或用美沙酮治疗海洛因成瘾。
7. Sleep and Dreaming: Theories and Evidence | 睡眠与梦境：理论与证据
Sleep is divided into REM (rapid eye movement) and NREM stages, cycling roughly every 90 minutes. Dement and Kleitman (1957) used an EEG to monitor brain activity and woke participants during different sleep stages. They found that 80% of those woken from REM reported vivid dreams, compared to only 7% from NREM, establishing a strong correlation between REM sleep and dreaming.
睡眠分为 REM（快速眼动）和 NREM 阶段，大约每 90 分钟循环一次。Dement 和 Kleitman (1957) 使用脑电图监测大脑活动，并在不同睡眠阶段唤醒参与者。他们发现，从 REM 唤醒的人中有 80% 报告了生动的梦境，而从 NREM 唤醒的只有 7%，从而建立了 REM 睡眠与梦境之间的强相关性。
Freud's wish-fulfilment theory viewed dreams as disguised expressions of unconscious desires. Through the process of dreamwork, the latent (hidden) content is transformed into the manifest (remembered) content of the dream, using symbols as a protective mechanism. While rich in historical importance, his theory is criticised for being untestable and overly reliant on subjective interpretation.
Freud 的愿望实现理论将梦视为潜意识欲望的化装表达。通过梦的工作，潜隐（隐藏的）内容被转化为梦的显意（被记住的）内容，并使用符号作为保护机制。尽管这一理论具有重要的历史意义，但因无法检验且过于依赖主观解释而受到批评。
A more biological stance is the activation-synthesis theory (Hobson and McCarley, 1977). According to this account, dreams are the brain's attempt to make sense of random neural firing originating from the brainstem during REM sleep. The cortex synthesises these random signals into a narrative, which explains why dreams can feel bizarre and disjointed. This theory is supported by the observation that the pons is highly active during REM, but it may underestimate the meaningful, emotional content of dreams.
一种更具生物学色彩的立场是激活-合成理论（Hobson 和 McCarley, 1977）。根据这一观点，梦是大脑试图理解在 REM 睡眠中源自脑干的随机神经放电。皮层将这些随机信号合成为一段叙述，这就解释了为什么梦境会感觉离奇且不连贯。这一理论得到了脑桥在 REM 期间高度活跃这一观察的支持，但它可能低估了梦境中的有意义的情绪内容。
8. Brain and Neuropsychology: Structure and Function | 大脑与神经心理学：结构与功能
Neurons communicate through an electrochemical process. When an action potential reaches the presynaptic terminal, neurotransmitters are released across the synaptic gap and bind to receptor sites on the postsynaptic neuron. This transmission can be excitatory (making the next neuron more likely to fire) or inhibitory (making it less likely). Reuptake and breakdown of neurotransmitters ensure that the signal is terminated precisely.
神经元通过电化学过程进行沟通。当动作电位到达突触前末梢，神经递质被释放到突触间隙，并与突触后神经元上的受体位点结合。这种传递可以是兴奋性的（使下一个神经元更可能发放）或抑制性的（降低其激发概率）。神经递质的再摄取和分解确保了信号的准确终止。
Penfield's pioneering work involved electrically stimulating patients' exposed brains during surgery for epilepsy. He mapped the sensory and motor cortices, showing which regions of the body were represented where. His observations supported the idea of cortical localisation: specific brain areas carry out specific functions. This was performed on conscious patients who could report their sensations, providing direct evidence of the brain-behaviour link.
Penfield 的开创性工作包括在癫痫手术期间电刺激患者暴露的大脑。他绘制了感觉和运动皮质的图谱，展示了身体的哪些部位对应哪些脑区。他的观察支持了皮层定位的概念：特定的大脑区域执行特定的功能。这一研究是在能够报告感受的意识清醒患者身上进行的，为大脑-行为联系提供了直接证据。
Sperry's split-brain research examined patients who had their corpus callosum severed to treat severe epilepsy. When an image was presented to the left visual field (processed by the right hemisphere), patients could not name the object because the language-dominant left hemisphere did not receive the information; yet their left hand (controlled by the right hemisphere) could draw it or pick up the matching object. This revealed hemispheric lateralisation of functions and deepened our understanding of how the two hemispheres cooperate under normal conditions.
Sperry 的裂脑研究检查了因治疗严重癫痫而切断胼胝体的患者。当图像呈现在左侧视野（由右半球加工）时，患者无法说出物体的名称，因为语言优势的左半球没有接收到信息；然而他们的左手（由右半球控制）可以画出它或拿起匹配的物品。这揭示了功能的半球偏侧化，并加深了我们对正常条件下两个半球如何协作的理解。
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