📚 Year 13 OCR Psychology: Rapid Memorisation Guide for Key Terminology | Year 13 OCR 心理学：词汇术语速记指南
Mastering OCR A-Level Psychology means conquering a mountain of specialised vocabulary. This guide transforms abstract terms into memorable mental hooks, using acronyms, vivid imagery, and etymological breakdowns to lock definitions into your long-term memory. From ‘operationalisation’ to ‘generalisability,’ each entry pairs a proven mnemonic strategy with a clear, exam-ready definition designed for the Year 13 specification.
掌握 OCR A-Level 心理学意味着征服大量专业词汇。本指南将抽象的术语转化为令人难忘的记忆挂钩，运用首字母缩略词、生动图像和词源拆解将定义牢牢锁入你的长期记忆。从 ‘operationalisation’ 到 ‘generalisability’，每个词条都配有一个经过验证的助记策略和一个清晰的、适合考试的定义，专为 Year 13 考纲设计。
1. Operationalisation | 操作化定义
Operationalisation is the process of precisely defining abstract psychological concepts in measurable, observable terms so that a variable can be manipulated or recorded in an experiment. For example, ‘aggression’ might be operationalised as the number of times a participant delivers an electric shock or the decibel level of an insult shouted at a confederate. Without operationalisation, a hypothesis remains too vague to test empirically and replication becomes impossible, breaking the chain of scientific reliability.
操作化定义是将抽象的心理学概念精确地转化为可测量、可观察的术语的过程，以便在实验中操纵或记录变量。例如，’攻击性’ 可以被操作化定义为参与者施加电击的次数，或对同谋喊出侮辱语的音量分贝值。没有操作化定义，假设就过于模糊而无法实证检验，复制研究也变得不可能，从而切断科学可靠性的链条。
Mnemonic: ‘Measure It, Or It’s Not Science’ — Operationalisation. Think of a surgeon asking for a ‘scalpel’ but receiving a ‘blurry idea’ instead. The surgeon needs the sharp, precise tool, just as a researcher needs a sharp, measurable definition. The word itself hides ‘operation’ — you are putting a concept into operation.
记忆术：’可量化，否则非科学’ — 操作化定义。 想象一位外科医生要求一把 ‘手术刀’，却得到了一个 ‘模糊的想法’。外科医生需要锋利、精确的工具，正如研究者需要清晰、可测量的定义。这个词本身就隐藏着 ‘操作 (operation)’ — 你正在让一个概念投入运作。
2. Generalisability | 概括力 / 推广性
Generalisability refers to the extent to which the findings of a study can be applied beyond the specific sample, setting, or time period in which the research was conducted. A study with high generalisability allows psychologists to confidently predict that the same results would occur across different populations, cultures, or historical moments. Threats to generalisability often arise from small, unrepresentative samples — such as using only male university students — or from highly artificial laboratory conditions that do not reflect real-world behaviour.
概括力指研究结果在多大程度上可以推广到该研究进行的具体样本、环境或时间范围之外。一项概括力高的研究使心理学家能够自信地预测，相同的结果会跨不同人群、文化或历史时刻出现。对概括力的威胁通常来自小规模、不具代表性的样本——例如仅使用男性大学生——或来自高度人为的实验室条件，这些条件不反映真实世界的行为。
Mnemonic: ‘General Electric’ — Generalisability. Picture a power plant. If a generator only powers one small shed, it’s useless. Generalisability means your study’s power grid stretches across the whole city — across genders, ages, and nations. The bigger the grid, the stronger your conclusion’s ‘electricity.’
记忆术：’通用电气’ — 概括力。 想象一座发电厂。如果一台发电机只能为一个狭小棚屋供电，那它毫无用处。概括力意味着你研究的电网横跨整个城市——跨越性别、年龄和国家。电网越大，你结论的 ‘电流’ 就越强劲。
3. Demand Characteristics | 需求特征
Demand characteristics are subtle cues in an experimental setting that communicate to participants what behaviour is expected of them, causing them to alter their natural responses. Participants may try to be ‘good subjects’ by conforming to perceived expectations or may deliberately act against them to sabotage the experiment (the ‘screw you’ effect). This is a major source of participant reactivity and an internal validity threat because the observed behaviour no longer reflects the true effect of the independent variable.
需求特征是实验环境中的微妙线索，向参与者传递他们被期待表现出什么行为的信息，导致他们改变自然反应。参与者可能试图成为 ‘好被试’ 以符合感知到的期望，或故意反其道而行之来破坏实验（’去你的’ 效应）。这是参与者反应性的一个主要来源，也是内部效度的威胁，因为观察到的行为不再反映自变量的真实效应。
Mnemonic: ‘The Psychic Participant.’ Demand characteristics turn every participant into a mind-reader. They walk into the lab, sniff the air, peek at the apparatus, and think, ‘Aha, I know what you want!’ Instead of behaving naturally, they perform. Remember: a lab with demand characteristics is a stage, and participants become actors reading the director’s invisible script.
记忆术：’通灵参与者’。 需求特征把每个参与者变成读心者。他们走进实验室，嗅嗅空气，偷偷瞥一眼仪器，然后想：’啊哈，我知道你想要什么！’ 他们没有自然表现，而是在表演。记住：充满需求特征的实验室是一个舞台，参与者变成了演员，读着导演手中隐形的剧本。
4. Internal Validity | 内部效度
Internal validity is the degree to which a researcher can confidently claim that the independent variable (IV), and only the IV, caused the observed change in the dependent variable (DV). High internal validity means extraneous variables have been tightly controlled, eliminating alternative explanations. Confounding variables, experimenter bias, and demand characteristics all chip away at internal validity, leaving the door open for rival hypotheses to creep in and undermine the study’s causal conclusion.
内部效度是指研究者能够自信地宣称自变量（IV），且仅有自变量，导致了因变量（DV）所观测到的变化的程度。高内部效度意味着外在变量已被严格控制，消除了替代性解释。混淆变量、实验者偏差和需求特征都在侵蚀内部效度，为竞争性假设敞开大门，从而削弱研究的因果结论。
Mnemonic: ‘Inside the Fortress.’ Imagine your experiment as a fortress. Inside the walls, the IV battles the DV, and you must ensure no enemy spy (confounding variable) slips inside. Internal validity is the strength of your castle walls. A single crack — an uncontrolled noise, a biased instruction — lets a spy steal your causal claim. Seal every gate.
记忆术：’堡垒之内’。 把你的实验想象成一座堡垒。城墙内，IV 与 DV 正在搏斗，你必须确保没有敌方间谍（混淆变量）溜进来。内部效度就是你城堡墙壁的坚固程度。一道裂缝——一个未控制的噪音、一句有偏见的指导语——就会让间谍窃走你的因果结论。封锁每一扇门。
5. Ecological Validity | 生态效度
Ecological validity concerns how well a study’s task, setting, and materials approximate the real-world situations to which a researcher wishes to generalise. A laboratory memory test using nonsense syllables has low ecological validity for predicting who will remember a shopping list at a noisy supermarket. High ecological validity typically involves naturalistic observation or field experiments where participants are unaware they are being studied, preserving spontaneous, lifelike behaviour.
生态效度涉及研究的任务、环境和材料在多大程度上近似于研究者希望推广到现实世界的真实情境。一项使用无意义音节的实验室记忆测试，在预测谁会在嘈杂超市记住一份购物清单时，生态效度就低。高生态效度通常涉及自然观察或现场实验，参与者不知道自己正在被研究，从而保留了自发的、逼真的行为。
Mnemonic: ‘The Zoo vs. The Wild.’ Ecological validity asks whether your study observes a lion in a cramped zoo cage or on the open savannah. A caged lion paces neurotically; a wild lion hunts. If your experiment is a cage, your findings tell you about caged behaviour, not real-life behaviour. Always ask: am I studying the animal in the zoo or the wild?
记忆术：’动物园 vs. 野外’。 生态效度问的是，你的研究观察的是一只关在狭窄动物园笼子里的狮子，还是旷野草原上的狮子。笼中狮神经质地踱步；野生狮狩猎。如果你的实验是一个笼子，你的发现告诉你的是牢笼中的行为，而非现实生活中的行为。始终问自己：我是在动物园里还是在野外研究这只动物？
6. Confounding Variable | 混淆变量
A confounding variable is an uncontrolled third factor that systematically varies with the independent variable, making it impossible to determine which variable actually caused the change in the dependent variable. Unlike random extraneous variables that add noise, a confound creates a genuine rival explanation. For example, if a researcher tests a new teaching method in the morning with well-rested students and the old method in the afternoon with fatigued students, time-of-day becomes a confounding variable inextricably tangled with the IV.
混淆变量是一个未经控制的第三因素，它与自变量系统地共变，使得无法判定究竟是哪个变量实际导致了因变量的变化。不同于增加噪音的随机外在变量，混淆变量创造了一个真正的竞争性解释。例如，如果研究者在上午用精力充沛的学生测试新教学法，而在下午用疲惫的学生测试旧教学法，那么时段就变成了一个与 IV 纠缠不清的混淆变量。
Mnemonic: ‘The Evil Twin.’ A confounding variable is the evil twin of your IV. They look identical, walk in lockstep, and show up at the crime scene at exactly the same moment. When the detective (the researcher) tries to identify the culprit, the evil twin creates an alibi for the IV: ‘Can you prove it wasn’t me?’ You can’t, because you never separated them from birth.
记忆术：’邪恶双胞胎’。 混淆变量是你 IV 的邪恶双胞胎。它们看起来一模一样，步调一致，并在完全相同的时刻出现在犯罪现场。当侦探（研究者）试图指认真凶时，邪恶双胞胎为 IV 制造了不在场证明：’你能证明不是吗？’ 你不能，因为你从未将它们分开。
7. Social Desirability Bias | 社会称许性偏差
Social desirability bias is the tendency for participants to respond in a way they believe will be viewed favourably by others, rather than revealing their true thoughts, feelings, or behaviours. This is especially acute in self-report measures touching on sensitive topics — drug use, racial attitudes, sexual behaviour — where admitting the truth carries perceived social risks. The resulting data overestimates socially approved traits and underestimates stigmatised ones, systematically distorting the findings.
社会称许性偏差是参与者以一种他们认为会被他人正面看待的方式作答的倾向，而非揭示其真实的思维、感受或行为。这在触及敏感话题的自我报告测量中尤为尖锐——药物使用、种族态度、性行为——承认真相会带来感知到的社会风险。由此产生的数据高估了社会赞许的特质而低估了被污名化的特质，系统性地扭曲了研究结果。
Mnemonic: ‘The Instagram Filter.’ Social desirability bias is the mental Instagram filter every participant slaps onto their answers before posting them to the researcher. Nobody posts their messy, unedited morning face; everyone posts the perfect, glowing version. The researcher receives a feed of curated, filtered truths, never seeing the raw, messy reality underneath.
记忆术：’Instagram 滤镜’。 社会称许性偏差是每个参与者在向研究者 ‘发布’ 答案之前，强加到其答案上的心理 Instagram 滤镜。没有人发布自己乱糟糟、未经编辑的晨起面孔；每个人都发布完美、容光焕发的版本。研究者接收到一条经过筛选和滤镜加工的动态，从未看见底下原始的、杂乱的现实。
8. Inter-rater Reliability | 评分者间信度
Inter-rater reliability is the degree of agreement between two or more independent observers when they code, categorise, or rate the same behavioural data. In observational studies, a single observer’s judgment can be subjective, but if multiple raters independently reach near-identical conclusions, the data gain objectivity. A correlation coefficient of +0.8 or above is typically considered evidence of strong inter-rater reliability. Without it, the coding system is too ambiguous to produce dependable results.
评分者间信度是两位或更多独立观察者在对相同行为数据进行编码、分类或评分时，彼此之间的一致程度。在观察性研究中，单个观察者的判断可能是主观的，但如果多个评分者独立地得出近乎相同的结论，数据就获得了客观性。相关系数在 +0.8 及以上通常被认为是强评分者间信度的证据。没有它，编码系统就过于模糊，无法产生可靠的结果。
Mnemonic: ‘The Synchronised Swimmers.’ Imagine Olympic synchronised swimming. Each judge sits on the poolside, observing the same routine independently. Inter-rater reliability is the magic moment when all the judges hold up scorecards reading ‘9.5’ in perfect unison. If one judge flashed a ‘2.0’ while others held ‘9.5,’ you would doubt their judgment, not the swimmer. Raters must move in mental synchrony.
记忆术：’花样游泳运动员’。 想象奥运会花样游泳比赛。每位裁判坐在池边，独立观察同一套动作。评分者间信度是所有裁判完美一致地举起写着 ‘9.5’ 的记分牌的神奇时刻。如果一位裁判亮出 ‘2.0’ 而其他人举着 ‘9.5’，你会怀疑裁判的判断，而不是运动员。评分者必须在心理上同步移动。
9. Neuroplasticity | 神经可塑性
Neuroplasticity is the brain’s lifelong capacity to reorganise its structure and function in response to experience, learning, and injury. Synaptic connections are strengthened through repeated use (long-term potentiation) and pruned away when unused (synaptic pruning). Landmark studies by Maguire et al. (2000) demonstrated this by showing that London taxi drivers, who must memorise the city’s intricate street map, developed significantly larger posterior hippocampi than control participants, with volume correlating positively with time spent on the job.
神经可塑性是大脑在体验、学习和损伤过程中，终生重组其结构和功能的能力。突触连接通过反复使用而增强（长时程增强），并在不被使用时被修剪（突触修剪）。Maguire 等人（2000 年）的开创性研究通过显示伦敦出租车司机——他们必须记住城市错综复杂的街道地图——的后海马体大小显著大于对照参与者，且体积与从业时间呈正相关，证明了这一点。
Mnemonic: ‘The Brain as Plasticine.’ A child’s plasticine block can become a dragon, a teacup, or a rocket, reshaped endlessly by curious hands. Your brain is the same substance. Every new skill — juggling, a second language, navigating London — physically remoulds the clay of your cortex. The sculptors are your daily habits, and the sculpture is never finished until the clay dries for the last time.
记忆术：’橡皮泥大脑’。 孩子的橡皮泥块可以变成龙、茶杯或火箭，被好奇的双手无休止地重塑。你的大脑是同一种材质。每一项新技能——杂耍、第二语言、在伦敦导航——都在物理上重新塑造你皮层的黏土。雕塑家是你的日常习惯，而雕塑作品在黏土最后一次干燥之前永远不会完成。
10. Ethocentrism | 民族中心主义
Ethnocentrism in psychology is the assumption that one’s own cultural norms, values, and psychological processes are universally applicable and inherently superior, leading to the misinterpretation of behaviours from other cultures through a biased lens. Classic Western psychology has been extensively critiqued for treating WEIRD (Western, Educated, Industrialised, Rich, Democratic) participants as the default human, ignoring how cultural context fundamentally shapes cognition, emotion, and social behaviour.
心理学中的民族中心主义是假定某人自身的文化规范、价值观和心理过程具有普遍适用性且本质上更优越，从而导致通过带有偏见的透镜误解其他文化的行为。经典的西方心理学因将 WEIRD（西方的、受过教育的、工业化的、富裕的、民主的）参与者视作默认人类，而忽视了文化背景如何从根本上塑造认知、情感和社会行为，受到了广泛批评。
Mnemonic: ‘The Center of the Map.’ Ancient cartographers placed their own kingdom at the exact centre of the world map, with foreign lands shrinking towards the edges, drawn as monstrous distortions. Ethnocentrism is that cartographer’s mind still at work inside the psychologist. The researcher stands in their own culture and draws every other culture as a deviation, a remote curiosity orbiting their ‘normal’ centre.
记忆术：’地图的中央’。 古代制图师将自身王国放在世界地图的正中心，异域土地向边缘收缩，被画成怪异扭曲的形状。民族中心主义就是那位制图师的思维仍在心理学家头脑中运作。研究者站在自己的文化中，将其他每一种文化描绘成一种偏离、一个围绕其 ‘正常’ 中心旋转的遥远奇观。
11. Synaptic Pruning | 突触修剪
Synaptic pruning is the neurodevelopmental process by which the brain eliminates weak, rarely-used synaptic connections while strengthening frequently activated ones. This ‘use it or lose it’ mechanism peaks during adolescence, refining neural networks for greater efficiency. The prefrontal cortex undergoes significant pruning during late adolescence, which is linked to improved impulse control, decision-making, and abstract reasoning — explaining why these faculties mature markedly during the transition from Year 13 to young adulthood.
突触修剪是大脑清除虚弱、很少使用的突触连接，同时加强频繁被激活的突触连接的神经发育过程。这种 ‘用进废退’ 的机制在青春期达到顶峰，优化神经网络以获得更高效率。前额叶皮层在青春期后期经历显著的修剪，这与冲动控制、决策和抽象推理能力的改善有关——解释了为什么这些能力在从 Year 13 到成年早期的过渡期间明显成熟。
Mnemonic: ‘The Master Sculptor.’ Michelangelo stared at a block of marble and said he simply removed everything that was not the statue. Synaptic pruning is that sculpting chisel inside your skull. The teenage brain is a rough marble block with billions of excess chips; pruning strikes away the unused stone, leaving behind the elegant, efficient statue of the adult mind.
记忆术：’大师雕塑家’。 米开朗基罗凝视着一块大理石，说他只是去掉了一切不属于雕像的部分。突触修剪就是你颅骨里的那把雕塑凿刀。青少年大脑是一块粗糙的大理石，有数十亿多余的碎屑；修剪凿去未经使用的石料，留下成年心智那座优美、高效的雕像。
12. Quasi-experiment | 准实验
A quasi-experiment is a research design where the independent variable is not directly manipulated by the experimenter because it is a pre-existing characteristic of the participants — such as gender, age, brain injury status, or personality type. Since participants cannot be randomly allocated to these naturally occurring conditions, quasi-experiments sacrifice the high internal validity of true experiments in exchange for investigating variables that would be impossible or unethical to manipulate artificially. Causal conclusions are drawn more tentatively, demanding careful consideration of uncontrolled confounding variables.
准实验是一种研究设计，其中自变量并非由实验者直接操控，因为它是参与者的既有特征——如性别、年龄、脑损伤状况或人格类型。由于参与者无法被随机分配到这些自然发生的条件中，准实验牺牲了真实验的高内部效度，以换取对那些不可能或不道德进行人为操控的变量进行研究。因果结论的得出更为谨慎，需要仔细考量未受控制的混淆变量。
Mnemonic: ‘The Natural Scars.’ A true experiment is a scar you inflict in a controlled lab incision. A quasi-experiment is a scar someone already carries from life’s battles — a lightning strike, a car accident, being born male or female. The researcher cannot cut the skin; they can only measure the scars that nature has already carved, comparing groups that life has already separated.
记忆术：’天然的疤痕’。 真实验是你通过在实验室中受控的切口制造的一道疤痕。准实验是某人已经从生活的战斗中携带的一道疤痕——一次雷击、一场车祸、生而为男性或女性。研究者无法切割皮肤；他们只能丈量自然已经雕刻的疤痕，比较生活已经分开的群体。
Published by TutorHao | Psychology Revision Series | aleveler.com
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