📚 WJEC IGCSE Psychology: International Competition Preparation Guide | WJEC IGCSE 心理学：国际竞赛备战攻略
Preparing for an international psychology competition while studying WJEC IGCSE Psychology requires a strategy that balances syllabus mastery with higher-order thinking. This guide sets out practical steps to build your knowledge, apply it to unfamiliar scenarios, and evaluate evidence like a professional psychologist.
在攻读 WJEC IGCSE 心理学的同时备战国际心理学竞赛，需要一套兼顾大纲掌握与高阶思维的策略。本指南将列出实际步骤，帮助你积累知识、将知识应用于陌生情境，并像专业心理学家一样评估证据。
1. Know the WJEC Specification Inside Out | 吃透 WJEC 考试大纲
Start by downloading the official WJEC GCSE Psychology specification and highlight every command word, key term and required study. International competitions often extend beyond the syllabus, but they assume you can recall the core material quickly and accurately.
首先下载 WJEC GCSE 心理学的官方大纲，标出每一个指令词、关键术语和必学的研究。国际竞赛通常超出大纲范围，但它们默认你能快速准确地回忆核心内容。
Make a topic checklist covering memory, perception, development, social influence, language, brain and neuropsychology, psychological problems, and research methods. Tick off each subtopic only when you can explain it from memory, not just recognise it.
制作一份主题清单，涵盖记忆、知觉、发展、社会影响、语言、大脑与神经心理学、心理问题以及研究方法。只有在你能凭记忆解释某个子主题、而不只是认得它时，才打勾。
- Use the specification as a map, not a textbook.
- 把大纲当作地图，而不是教材。
- Learn the exact wording of key definitions, such as ‘conformity’ and ‘neurotransmitter’.
- 牢记关键定义的确切表述，例如“从众”和“神经递质”。
2. Master Core Research Methods | 掌握核心研究方法
Research methods form the backbone of WJEC Psychology and are heavily tested in competitions. Be able to define and identify independent variables, dependent variables, extraneous variables, hypotheses, sampling methods, and experimental designs.
研究方法是 WJEC 心理学的支柱，也是竞赛重点考查内容。要能定义并识别自变量、因变量、额外变量、假设、抽样方法和实验设计。
Practise writing operationalised hypotheses for a range of scenarios. For example, turn ‘students remember more when they listen to music’ into ‘students who study with instrumental music recall significantly more words from a 20-word list than students who study in silence’.
练习为各种情境撰写可操作的假设。例如，将“听音乐的学生记得更多”变为“学习时听器乐的学生在 20 词列表中回忆出的单词数量显著多于安静学习的学生”。
| Method | Key feature | Limitation |
| Laboratory experiment | High control over variables | Low ecological validity |
| Natural experiment | High realism, less control | Hard to establish cause and effect |
| Questionnaire | Large samples, quick data | Social desirability bias |
The table above summarises common research methods in WJEC exams. Competition questions often ask you to evaluate the strengths and weaknesses of a method, so do not just memorise definitions; link each one to a concrete example.
上表总结了 WJEC 考试中常见的研究方法。竞赛题经常要求你评价某种方法的优缺点，因此不要只背定义，要能结合具体例子说明。
3. Learn Classic Studies by Heart | 牢记经典研究
WJEC requires knowledge of named studies, and international competitions often present a précis of a classic study and ask you to identify the aim, procedure, findings or conclusion. Build a study bank with one card per classic study.
WJEC 要求了解指定研究，国际竞赛常常给出一项经典研究的摘要，要求你识别其目的、程序、发现或结论。建立一个研究库，每张卡片记录一项经典研究。
For the memory topic, include Murdock’s serial position curve, Peterson and Peterson’s short-term retention study, and Bartlett’s ‘War of the Ghosts’. For social influence, include Asch’s line judgement, Milgram’s obedience study, and Zimbardo’s Stanford prison experiment.
在记忆主题中，纳入 Murdock 的系列位置曲线、Peterson 和 Peterson 的短时记忆保持研究，以及 Bartlett 的“鬼魂的战争”。在社会影响中，纳入 Asch 的线条判断、Milgram 的服从研究和 Zimbardo 的斯坦福监狱实验。
When revising each study, ask four questions: What did the researcher do? What did they find? What does it tell us about behaviour? What is one methodological or ethical limitation?
复习每项研究时，问自己四个问题：研究者做了什么？他们发现了什么？这对行为说明了什么？一个方法上或伦理上的局限是什么？
4. Build Evaluation Skills | 培养评估能力
Competition judges reward balanced evaluation, not one-sided description. Use the acronym GRAVE: generalisability, reliability, application, validity, and ethics.
竞赛评审喜欢均衡的评估，而不是片面的描述。使用 GRAVE 这个缩写：普遍性、信度、应用、效度和伦理。
When evaluating a study, first identify a strength, then a limitation, and support each with a precise reason. Avoid vague phrases like ‘the study was good’ or ‘the sample was small’ without explaining why it matters.
评估一项研究时，先指出一个优点，再指出一个局限，并用确切理由支撑。避免模糊表述，如“这项研究很好”或“样本很小”，却不解释为什么重要。
For example, Asch’s study has high internal validity because the task was tightly controlled, but it lacks ecological validity because judging line lengths in a lab does not reflect everyday conformity pressures.
例如，Asch 的研究内部效度高，因为任务受到严格控制；但它缺乏生态效度，因为在实验室判断线条长度不能反映日常生活中的从众压力。
5. Understand Ethics in Psychology | 理解心理学伦理
Ethical issues appear in WJEC structured questions and competition scenarios. Be able to describe informed consent, deception, protection from harm, privacy, right to withdraw, and debriefing.
伦理问题出现在 WJEC 结构化题目和竞赛情境题中。要能描述知情同意、欺骗、免受伤害、隐私、退出权和事后说明。
Study classic ethical dilemmas: Milgram’s participants were deceived about the shocks and showed clear distress; Zimbardo’s guards and prisoners experienced psychological harm; the BPS code of conduct now sets strict boundaries.
研究经典伦理困境：Milgram 的参与者被欺骗并表现出明显痛苦；Zimbardo 的狱警和囚犯遭受心理伤害；英国心理学会的行为准则现在设定了严格边界。
In an exam or competition answer, link each ethical issue to a specific example from the study and suggest a concrete improvement, such as using a presumptive consent sample or reducing stress by stopping the study at 150 volts.
在考试或竞赛答案中，要将每个伦理问题与研究中的具体例子联系起来，并提出具体改进措施，例如使用推定同意样本或在 150 伏时停止研究以减少压力。
6. Develop Statistical Literacy | 培养统计素养
International competitions often include simple data analysis. You should be comfortable calculating the mean, median, mode and range, and interpreting bar charts, scatterplots and frequency tables.
国际竞赛常包含简单的数据分析。你应该能够轻松计算平均数、中位数、众数和全距，并解释条形图、散点图和频率表。
Understand the difference between descriptive and inferential statistics at a conceptual level. You do not need advanced significance tests, but you should know that a p value below 0.05 usually suggests a result is statistically significant and unlikely to be due to chance.
从概念层面理解描述统计与推断统计的区别。你不需要掌握高级显著性检验，但应知道 p 值低于 0.05 通常意味着结果具有统计显著性，不太可能由偶然因素造成。
Range = highest score − lowest score
全距 = 最高分 − 最低分
Mean = sum of all scores ÷ number of scores
平均数 = 所有分数之和 ÷ 分数个数
7. Tackle Application and Scenario Questions | 攻克
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