📚 Year 8 WJEC Psychology: Core Knowledge Essentials | Year 8 WJEC 心理学：核心知识点梳理
Welcome to your Year 8 WJEC Psychology revision guide. This article brings together the core knowledge you need to understand the scientific study of mind and behaviour. We will explore how psychologists investigate topics such as memory, learning, child development and social influence, and we will link these ideas to real-life examples and classic studies.
欢迎使用你的 Year 8 WJEC 心理学复习指南。本文汇集了你需要理解的关于心理和行为的科学研究的核心知识。我们将探讨心理学家如何研究记忆、学习、儿童发展和社会影响等主题，并将这些观点与现实生活中的例子和经典研究联系起来。
1. What Is Psychology? | 什么是心理学？
Psychology is defined as the scientific study of the mind, behaviour and experience. It is not just common sense or guessing — psychologists use systematic methods to observe, measure and explain why people think, feel and act as they do. The four main goals of psychology are to describe, explain, predict and, where possible, change behaviour.
心理学被定义为对心理、行为和经验的科学研究。它不仅仅是常识或猜测——心理学家使用系统的方法来观察、测量和解释人们为什么这样思考、感受和行动。心理学的四个主要目标是描述、解释、预测并在可能的情况下改变行为。
Psychology can be divided into several subfields. Biological psychology looks at the links between the brain, hormones and behaviour. Cognitive psychology investigates mental processes like memory, perception and problem-solving. Developmental psychology studies how people change from infancy to old age, and social psychology examines how other people influence our behaviour and attitudes.
心理学可以分为几个分支。生理心理学研究大脑、荷尔蒙与行为之间的联系。认知心理学研究记忆、感知和解决问题等心理过程。发展心理学研究人们从婴儿期到老年的变化，而社会心理学则研究他人如何影响我们的行为和态度。
The WJEC syllabus introduces these areas through practical examples and key studies, helping you to think like a psychologist and to evaluate evidence rather than simply accept it.
WJEC 教学大纲通过实际例子和关键研究来介绍这些领域，帮助你像心理学家一样思考，并学会评估证据，而不是简单地接受它。
2. The Brain and Nervous System | 大脑和神经系统
The nervous system is the body's rapid communication network. It is divided into the central nervous system (CNS), which consists of the brain and spinal cord, and the peripheral nervous system (PNS), which connects the CNS to the rest of the body. Neurones (nerve cells) are the basic building blocks that carry electrical signals at high speed.
神经系统是人体快速通信网络。它分为中枢神经系统（CNS），由脑和脊髓组成，以及周围神经系统（PNS），后者将中枢神经系统与身体其余部分连接起来。神经元（神经细胞）是高速传递电信号的基本构建单元。
A typical neurone has a cell body, branching dendrites that receive signals, and a long axon covered by a myelin sheath. The myelin sheath speeds up transmission. When an electrical impulse reaches the end of the axon, neurotransmitters are released into the synapse — the tiny gap between two neurones — allowing the signal to pass to the next cell.
一个典型的神经元有一个胞体、接收信号的分支树突，以及一根被髓鞘包裹的长轴突。髓鞘能加快传递速度。当电冲动到达轴突末端时，神经递质被释放到突触——两个神经元之间的微小间隙——从而使信号传递到下一个细胞。
Here is a simple summary of some key brain regions you need to know:
以下是你需要了解的一些关键脑区的简要总结：
| Brain region | Function |
|---|---|
| Frontal lobe | Decision making, personality, problem solving |
| Temporal lobe | Hearing, memory, understanding language |
| Parietal lobe | Sensation (touch, temperature, pain), spatial awareness |
| Occipital lobe | Vision |
| Cerebellum | Balance, coordination, fine muscle control |
| Brain stem (medulla) | Automatic functions such as breathing and heartbeat |
Understanding these structures helps psychologists link specific functions to behaviour. For example, damage to the frontal lobe can affect impulse control, while problems in the temporal lobe can disrupt memory formation.
理解这些结构有助于心理学家将特定功能与行为联系起来。例如，额叶损伤会影响冲动控制，而颞叶的问题会干扰记忆形成。
3. Memory: How We Remember | 记忆：我们如何记忆
Memory is the process of encoding, storing and retrieving information. Encoding is how we transform sensory input into a form that can be stored. Storage refers to keeping the information over time, and retrieval is the act of getting it back out when needed. Without memory, we would have no sense of personal identity or ability to learn.
记忆是对信息进行编码、储存和提取的过程。编码是我们将感觉输入转化为可以储存的形式的过程。储存指随时间保留信息，而提取是在需要时将其取出的行为。没有记忆，我们就不会有个人认同感或学习能力。
The multi-store model, which is central to your studies, proposes three separate memory stores. Sensory memory holds a fleeting impression of sensory information (iconic for visual, echoic for auditory) for about half a second. If we pay attention, information moves to short-term memory (STM). STM has a limited capacity of around 7 +/- 2 chunks of information and a duration of about 18-30 seconds without rehearsal. Rehearsal keeps information active and can transfer it to long-term memory (LTM).
多储存模型是你学习的核心内容，它提出了三个独立的内存库。感觉记忆对感觉信息（视觉的为图像记忆，听觉的为声像记忆）保留约半秒钟的短暂印象。如果我们注意信息，它就会进入短期记忆（STM）。短期记忆容量有限，约为 7±2 个组块的信息量，如果不进行复述，持续时间约为 18-30 秒。复述可以使信息保持活跃，并能将其转移到长期记忆（LTM）中。
Long-term memory has a potentially unlimited capacity and duration. It stores facts (semantic memory), personal experiences (episodic memory) and skills (procedural memory). Forgetting happens through decay (memory fades with time), displacement (new information pushes out old in STM) or interference (other memories get in the way). Using techniques like chunking, mnemonics and distributed practice can improve your recall.
长期记忆的容量和持续时间可能是无限的。它储存事实（语义记忆）、个人经历（情节记忆）和技能（程序记忆）。遗忘的发生可以通过消退（记忆随时间褪去）、替代（新信息排挤掉短期记忆中的旧信息）或干扰（其他记忆妨碍了提取）。使用组块化、助记术和分散练习等技巧可以提高你的回忆能力。
4. Learning: Classical and Operant Conditioning | 学习：经典条件反射与操作性条件反射
Learning is a relatively permanent change in behaviour due to experience. Two fundamental types of learning are classical conditioning and operant conditioning, both of which are essential on the WJEC Year 8 course.
学习是一种由于经验而产生的相对持久的行为变化。两种基本的学习类型是经典条件反射和操作性条件反射，两者在 WJEC Year 8 课程中都很重要。
of food (unconditioned stimulus, UCS) but eventually at the sound of a bell that had been paired with the food. The bell started as a neutral stimulus, became a conditioned stimulus (CS) after repeated pairing, and the salivation to the bell alone was the conditioned response (CR). Key terms: UCS (food) → UCR (salivation); NS (bell) + UCS → UCR; after conditioning, CS (bell) → CR (salivation). This process explains how we develop many automatic emotional responses, including some phobias.
经典条件反射由伊万·巴甫洛夫发现。在他著名的狗的实验中，他注意到狗不仅在尝到食物（无条件刺激，UCS）时会分泌唾液，而且最终在听到与食物配对的铃声时也会分泌唾液。铃声最初是一个中性刺激，经过反复配对后成为条件刺激（CS），而狗单独对铃声分泌唾液就是条件反应（CR）。关键词汇：UCS（食物）→ UCR（分泌唾液）；NS（铃声）+ UCS → UCR；条件作用建立后，CS（铃声）→ CR（分泌唾液）。这个过程解释了我们如何形成许多自动的情绪反应，包括一些恐惧症。
Operant conditioning, studied by B.F. Skinner, focuses on how consequences shape voluntary behaviour. Reinforcement makes a behaviour more likely to occur again. Positive reinforcement involves adding something pleasant (e.g. praise, a reward). Negative reinforcement involves removing something unpleasant (e.g. turning off a loud noise when a lever is pressed). Punishment, in contrast, makes a behaviour less likely to recur. Positive punishment adds an unpleasant stimulus (e.g. a telling-off), while negative punishment removes something pleasant (e.g. losing screen time). Skinner demonstrated these principles using a Skinner box, where rats and pigeons learned to press levers for food or to avoid electric shocks.
由 B.F. 斯金纳研究的操作性条件反射，聚焦于后果如何塑造自愿行为。强化使行为更有可能再次发生。正强化涉及增加愉快的刺激（例如表扬、奖励）。负强化涉及移除令人不快的事物（例如按压杠杆时关闭响亮噪音）。相比之下，惩罚使行为不太可能再次发生。正惩罚增加一个令人不快的刺激（例如责骂），而负惩罚则移除某样令人愉快的东西（例如失去屏幕时间）。斯金纳使用斯金纳箱证明了这些原理，箱中的老鼠和鸽子学会了按压杠杆以获取食物或避免电击。
A simple table can help you compare the two types of conditioning:
一个简单的表格可以帮助你比较这两种条件反射：
| Feature | Classical conditioning | Operant conditioning |
|---|---|---|
| Key psychologist | Pavlov | Skinner |
| Type of behaviour | Reflexive, involuntary (e.g. salivation) | Voluntary, goal-directed (e.g. pressing a lever) |
| Learning mechanism | Association between two stimuli | Consequences (reinforcement and punishment) |
5. Developmental Psychology: Attachment | 发展心理学：依恋
Developmental psychology studies how humans grow and change across the lifespan. One of the most important early topics is attachment — the deep, enduring emotional bond that forms between an infant and their primary caregiver. This bond is crucial for survival and for healthy social and emotional development.
发展心理学研究人类在一生中如何成长和变化。早期最重要的主题之一是依恋——婴儿与其主要照顾者之间形成的深厚而持久的情感纽带。这种纽带对于生存以及健康的社交和情感发展至关重要。
John Bowlby's theory of attachment emphasised that infants are born with an innate tendency to form attachments. He proposed that this behaviour is evolutionary because it keeps the infant close to the caregiver, increasing chances of survival. Bowlby suggested there is a critical period (up to about 2-3 years) during which the attachment system is most active; serious disruptions during this time can lead to long-term social and emotional difficulties, a concept known as maternal deprivation.
约翰·鲍尔比的依恋理论强调，婴儿天生具有形成依恋的倾向。他提出，这种行为是进化的产物，因为它能使婴儿靠近照顾者，从而增加生存机会。鲍尔比认为存在一个关键期（大约到 2-3 岁），在此期依恋系统最为活跃；若该时期发生严重中断，可能导致长期的社会和情感困难，这一概念称为母爱剥夺。
Mary Ainsworth developed the 'Strange Situation' procedure to assess attachment quality. She identified three main attachment types: secure attachment (infant is distressed when the caregiver leaves but easily comforted upon return), insecure-avoidant (infant shows little distress on separation and avoids contact upon reunion), and insecure-resistant (infant is very distressed on separation, but resists comfort when the caregiver returns). Securely attached children tend to develop better social skills and emotional resilience.
玛丽·安斯沃斯设计了“陌生情境”程序来评估依恋质量。她识别出三种主要的依恋类型：安全型依恋（婴儿在照顾者离开时感到痛苦，但回来后容易得到安慰）、不安全－回避型（婴儿在分离时表现出很少痛苦，重聚时回避接触）和不安全－反抗型（婴儿在分离时极度痛苦，但当照顾者回来时抗拒安慰）。安全型依恋的儿童往往发展出更好的社交技能和情绪韧性。
6. Social Influence: Conformity and Obedience | 社会影响：从众与服从
Social influence refers to the ways in which individuals change their thoughts, feelings or behaviours because of the real or imagined presence of others. Two key processes you need to know are conformity and obedience.
社会影响指的是个体由于他人真实或想象的存在而改变自己的思想、情感或行为的方式。你需要了解的两个关键过程是从众和服从。
Conformity is the tendency to align our attitudes and actions with the norms of a group, even when no one explicitly asks us to do so. Solomon Asch's line-judgement study (1951) demonstrated this powerfully. Participants were asked to match a line to three comparison lines in a group where confederates deliberately gave wrong answers. About 75% of participants conformed at least once, giving an obviously incorrect answer to fit in. Asch identified reasons for conformity: normative social influence (wanting to be liked) and informational social influence (believing others know better).
从众是指我们的态度和行为与群体规范一致的倾向，即使没有人明确要求我们这样做。所罗门·阿希的线条判断研究（1951）有力地证明了这一点。实验要求参与者在小组中将一条线条与三条比较线进行匹配，其中一些同谋者故意给出错误答案。约 75% 的参与者至少从众过一次，给出了明显错误的答案以融入群体。阿希识别出从众的原因：规范社会影响（希望被喜欢）和信息社会影响（相信他人更懂行）。
Obedience involves following direct orders from an authority figure. Stanley Milgram's obedience study (1963) explored this in a dramatic way. Participants were told to deliver increasing electric shocks to a 'learner' (a confederate) for every wrong answer. Despite hearing cries of pain, 65% of participants continued to the maximum voltage when the experimenter insisted. Milgram's research suggested that ordinary people can commit harmful acts under orders. Ethical concerns about deception and psychological stress mean that modern versions of such experiments are much more carefully designed.
服从涉及遵循权威人物的直接指令。斯坦利·米尔格拉姆的服从研究（1963）以一种戏剧性的方式探讨了这一点。参与者被告知，每当“学习者”（同谋者）答错时，就要施加逐渐增强的电击。尽管听到痛苦的喊叫，仍有 65% 的参与者在实验者坚持时继续施加到最高电压。米尔格拉姆的研究表明，普通人在指令下可能做出有害行为。由于欺骗和心理压力方面的伦理关切，此类实验的现代版本设计得更为审慎。
7. Mental Health and Wellbeing | 心理健康与幸福
Mental health is a state of wellbeing in which an individual can cope with the normal stresses of life, work productively and contribute to their community. It is not simply the absence of mental illness. Your Year 8 course introduces mental health as something we all have, just like physical health, and it can fluctuate over time.
心理健康是一种幸福状态，在这种状态中，个人能够应对生活中的正常压力，富有成效地工作，并为社区做出贡献。它不仅仅是没有心理疾病。你的 Year 8 课程介绍心理健康是我们每个人都拥有的，就像身体健康一样，并且它会随着时间而波动。
Common mental health problems you might discuss include anxiety (excessive worry that interferes with daily life) and depression (persistent low mood, loss of interest or pleasure). It is important to challenge stigma — the negative stereotypes and discrimination that surround mental illness — by talking openly and understanding that these are real medical conditions, not signs of personal weakness.
你可能会讨论的常见心理健康问题包括焦虑（干扰日常生活的过度担忧）和抑郁症（持续情绪低落、兴趣或快乐丧失）。重要的是通过公开谈论并理解这些都是真实的医学状况而非个人弱点的表现，来挑战病耻感——围绕心理疾病的负面刻板印象和歧视。
Ways to protect and improve mental wellbeing include building supportive friendships, staying physically active, getting enough sleep, practising mindfulness or relaxation techniques, and asking for help when needed. The biopsychosocial model explains that mental health is influenced by a combination of biological factors (e.g. genetics, brain chemistry), psychological factors (e.g. thinking patterns, coping skills) and social factors (e.g. family environment, peer pressure).
保护和改善心理健康的方法包括建立支持性的友谊、保持身体活跃、保证充足睡眠、练习正念或放松技巧，以及在需要时寻求帮助。生物心理社会模型解释说，心理健康受到生物因素（例如遗传、脑化学）、心理因素（例如思维模式、应对技巧）和社会因素（例如家庭环境、同伴压力）的共同影响。
8. Introduction to Research Methods | 研究方法入门
Psychology is an evidence-based science, so understanding research methods is a core skill. Researchers start with a theory or question and then develop a testable hypothesis — a clear, predictive statement about what they expect to find.
心理学是一门循证科学，因此理解研究方法是核心技能。研究者从一个理论或问题出发，然后提出一个可检验的假设——一个关于他们预期发现的清晰的、预测性的陈述。
In an experiment, the researcher manipulates an independent variable (IV) to see its effect on a dependent variable (DV). For example, to test whether listening to music affects memory, the IV could be 'music vs no music' and the DV could be 'number of words recalled'. All other variables must be controlled (control variables) so that only the IV can cause any change in the DV. An extraneous variable is any unwanted factor that could affect the DV, and a confounding variable is one that actually does.
在实验中，研究者操纵自变量（IV）以观察其对因变量（DV）的影响。例如，要测试听音乐是否影响记忆，IV 可以是“音乐与无音乐”，DV 可以是“回忆的单词数量”。所有其他变量必须加以控制（控制变量），以使只有 IV 能引起 DV 的任何变化。额外变量是任何可能影响 DV 的不想要的因素，而混淆变量则是确实产生了影响的因素。
Research must follow strict ethical guidelines to protect participants. The British Psychological Society (BPS) sets out principles including informed consent, the right to withdraw, protection from harm, confidentiality and a full debrief at the end. Psychologists also consider the strengths and limitations of different research designs: laboratory experiments offer high control but may lack realism; field experiments are more natural but harder to control; and natural experiments take advantage of existing differences but mean the researcher cannot manipulate the IV.
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）制定了包括知情同意、退出权、免受伤害、保密和实验结束时全面解释在内的原则。心理学家还考虑不同研究设计的优缺点：实验室实验提供高控制度，但可能缺乏真实感；现场实验更自然，但更难控制；自然实验利用现有的差异，但意味着研究者无法操纵 IV。
Other methods include observations (structured or naturalistic), questionnaires and interviews, all of which produce qualitative or quantitative data. A good WJEC answer always links the method to the research aim and considers the reliability, validity and practical issues of the technique used.
其他方法包括观察法（结构化或自然观察）、问卷调查和访谈，这些都会产生定性或定量数据。一个好的 WJEC 答案总是将方法与其研究目的联系起来，并考虑所用技术的信度、效度和实际实施问题。
Published by TutorHao | Psychology Revision Series | aleveler.com
更多咨询请联系16621398022（同微信）
或截图后用「扫一扫 → 相册」选择本图