📚 Year 8 WJEC Psychology: Mock Unit Test Walkthrough | WJEC 八年级心理学：单元模拟测试解析
Welcome to this detailed walkthrough of a Year 8 WJEC Psychology mock unit test. The test was carefully designed to reflect the key topics you have covered in class: the multi-store model of memory, research methods and ethical considerations, types of long-term memory, experimental design, and everyday applications of social influence. Working through each question and its answer will help you identify knowledge gaps, sharpen your exam technique, and build confidence for the real assessment. Every section below pairs an original exam-style question with a model answer and a clear explanation, first in English and then in Chinese, so that you can study bilingually.
欢迎阅读这份WJEC八年级心理学单元模拟测试的详细解析。这套试卷精心覆盖了课堂上学过的核心主题：记忆的多存储模型、研究方法和伦理考量、长时记忆的类型、实验设计以及社会影响的日常应用。逐一分析每道题及其答案，可以帮助你发现知识盲点、提升答题技巧、为真正的考试建立信心。下面的每个部分都配有一道模拟真题、一个高分范例和清晰的解释，并采用先英文后中文的双语方式呈现，方便你双语学习。
1. Multiple Choice: The Multi-Store Model | 选择题：多存储模型
Question: According to Atkinson and Shiffrin's multi-store model, which of the following is the correct order of memory stores? A) Sensory, Short-term, Long-term B) Short-term, Sensory, Long-term C) Long-term, Sensory, Short-term D) Sensory, Long-term, Short-term
题目：根据阿特金森和希夫林的多存储模型，以下哪一项是记忆存储库的正确顺序？ A) 感觉记忆、短时记忆、长时记忆 B) 短时记忆、感觉记忆、长时记忆 C) 长时记忆、感觉记忆、短时记忆 D) 感觉记忆、长时记忆、短时记忆
The correct answer is A. The multi-store model (1968) describes information flowing linearly from sensory memory, where stimuli from the environment are briefly held, to short-term memory through attention, and finally into long-term memory via rehearsal.
正确答案是A。多存储模型（1968）描述了一条线性路径：来自环境的刺激首先在感觉记忆中被短暂保留，通过注意进入短时记忆，再经过复述最终存入长时记忆。
s to visualise arrows: environment → sensory register → attention → STM → rehearsal → LTM.
很多学生容易把这一顺序与提取方向搞混，但该模型重点关注的是编码和储存。备考时不妨想象一个箭头图：环境 → 感觉登记 → 注意 → 短时记忆 → 复述 → 长时记忆。
2. Multiple Choice: Independent Variable | 选择题：自变量
Question: In an experiment looking at the effect of sleep on memory, what is the independent variable (IV)? A) The number of words recalled B) The amount of sleep participants had C) The age of the participants D) The difficulty of the words
题目：在一项研究睡眠对记忆影响的实验中，哪一个是自变量（IV）？ A) 回忆出的单词数量 B) 参与者的睡眠时长 C) 参与者的年龄 D) 单词的难度
The answer is B. The IV is the factor that the researcher deliberately manipulates or changes. Here, the researcher would assign different amounts of sleep. The dependent variable (DV) is the number of words recalled, which is measured.
答案是B。自变量是研究者有意操纵或改变的因素。在这个实验中，研究者会分配不同的睡眠时长。因变量是参与者回忆出的单词数量，用来测量结果。
A common mnemonic is: 'The IV is what I change; the DV is what I measure.' Always identify the IV before the DV in a hypothesis, as in: 'Participants with 8 hours of sleep will recall more words than those with 4 hours.'
一个常见的记忆方法是：“IV是我改变的东西，DV是我测量的东西。”在撰写假设时，一定要先确定IV再确定DV，例如：“睡眠8小时的参与者比睡眠4小时的参与者回忆出更多的单词。”
3. Writing a Testable Hypothesis | 撰写可检验的假设
Question: A psychologist wants to investigate whether background music affects students' performance on a maths test. Write a suitable hypothesis for this experiment.
题目：一位心理学家想研究背景音乐是否会影响学生的数学测试表现。请为这个实验写一个合适的假设。
A good answer would be directional: 'Students who complete a maths test while listening to instrumental music will achieve significantly higher scores than students who complete the same test in silence.' The hypothesis clearly states the IV (presence of music), the DV (test scores), and predicts a direction.
一个优秀的答案可以采用方向性假设：“在聆听器乐的条件下完成数学测试的学生，其分数将显著高于在安静条件下完成同一测试的学生。”该假设清晰地指明了IV（是否有音乐）、DV（测试分数），并预测了变化方向。
Non-directional hypotheses are also acceptable if there is no prior research: 'There will be a difference in maths test scores between students who listen to music and those who work in silence.' Remember, a hypothesis must be operationalised – avoid vague terms like 'better' without specifying 'higher score'.
如果没有前人研究作支撑，也可以使用非方向性假设：“聆听音乐的学生和安静完成测试的学生在数学分数上存在差异。”请记住，假设必须被操作化——避免使用“更好”这类模糊词汇，要明确为“更高的分数”。
4. Short Answer: Ethical Issues | 简答题：伦理问题
Question: Identify and explain one ethical issue that psychologists must consider when conducting research with Year 8 students.
题目：指出并解释一项在针对八年级学生进行心理学研究时必须考虑的伦理问题。
One key ethical issue is informed consent. Year 8 students are under 16 and cannot legally give consent themselves. Researchers must obtain parental or guardian consent and also ensure the students assent to take part, meaning they fully understand what the study involves in age-appropriate language.
一个关键伦理问题是知情同意。八年级学生未满16岁，在法律上无法自行给出同意。研究者必须获得父母或监护人的同意，同时确保学生本人也愿意参加，即用适合其年龄的语言让他们完全理解研究的内容。
Other acceptable answers include protection from harm (the study must not cause any psychological distress, such as embarrassment), confidentiality (participants' data should be anonymised), and right to withdraw (students must know they can stop at any time without penalty).
其他可接受的答案包括避免伤害（研究不得引发任何心理痛苦，如尴尬）、保密原则（参与者的数据应该匿名处理）以及退出权（学生必须知道他们可以随时退出而不会受到惩罚）。
5. Types of Long-Term Memory | 长时记忆的类型
Question: Explain the difference between episodic memory and semantic memory. Give an example of each.
题目：解释情景记忆和语义记忆之间的区别，并分别举例。
Episodic memory refers to the ability to recall personal experiences and specific events, including their time, place, and emotional context. An example would be remembering your first day at secondary school. Semantic memory, on the other hand, stores general knowledge and facts about the world, such as knowing that Paris is the capital of France.
情景记忆指的是对个人经历和特定事件的回忆能力，包括时间、地点和情感背景。例如，回忆起你上中学的第一天。语义记忆则存储关于世界的一般性知识和事实，比如知道巴黎是法国的首都。
These two types of long-term memory were distinguished by Endel Tulving. Episodic memory is time-stamped and contextualised, whereas semantic memory is detached from personal experience. A question might also ask you to link these to brain areas – episodic memory is associated with the hippocampus, semantic memory with the temporal cortex.
这两种长时记忆类型是由Endel Tulving区分出来的。情景记忆带有时间标记和背景烙印，而语义记忆则脱离了个人体验。考试也可能要求你将它们与脑区联系起来——情景记忆与海马体相关，语义记忆与颞叶皮层相关。
6. Strengths of a Laboratory Experiment | 实验室实验的优点
Question: Outline one strength of using a laboratory experiment in psychological research.
题目：概述在心理学研究中使用实验室实验的一个优点。
A major strength is the high level of control over extraneous variables. In a lab, the researcher can standardise the environment (e.g., same room temperature, lighting, timing) so that any change in the dependent variable is more likely to be caused by the independent variable alone.
一个主要优点是能够高度控制额外变量。在实验室中，研究者可以标准化环境（如同样的室温、照明、时间安排），从而让因变量的任何变化更有可能仅仅由自变量引起。
This control increases internal validity – we are more confident that the IV really produced the effect. Moreover, standardised procedures make it easy for other researchers to replicate the study, which is an essential part of checking reliability.
这种控制提升了内部效度——我们能更确信的确是自变量产生了效应。此外，标准化的程序便于其他研究者重复实验，而重复正是检验信度的重要环节。
7. Scenario: Designing an Observation | 情景题：设计一个观察研究
Question: A teacher wants to observe how often students use their mobile phones during break time. Design a naturalistic observation to gather the data. Include at least three key features.
题目：一位老师想观察学生在课间休息时使用手机的频率。请设计一个自然观察来收集数据，并至少包含三个关键特征。
A suitable design would be: Carry out a covert, naturalistic observation in the school canteen during break. First, operationally define 'phone use' – for example, any time a student holds a phone in their hand and looks at the screen for at least two seconds. Second, use a behavioural checklist or tally chart to record each instance over a 15-minute period. Third, the observer should be unobtrusive (e.g., sitting at a distance, pretending to read a book) to avoid demand characteristics.
一个合适的设计可以是：在课间休息时于食堂进行一项隐蔽的自然观察。首先，操作化定义“手机使用”——例如，学生手持手机并注视屏幕至少两秒钟的任何行为。其次，使用行为检核表或计数表格，在15分钟的时段内记录每次发生的情况。第三，观察者应尽可能不引人注目（比如坐在远处假装看书），以避免需求特征。
This design ensures the behaviour is natural because the students do not know they are being watched. The operational definition makes recording objective and consistent. A pilot observation beforehand could help refine the checklist.
这一设计确保行为是自然的，因为学生们不知道自己被观察。操作化定义使得记录客观且一致。事先进行一次预观察可以帮助改进检核表。
8. Improving Memory: Mnemonics | 改善记忆：记忆术
Question: A student needs to remember a long list of items for a shopping trip. Suggest one psychological technique they could use and explain why it works.
题目：一个学生需要记住一长串购物清单。请建议一种他们可以使用的心理学技巧，并解释其原理。
The student could use a mnemonic, such as the method of loci (memory palace). They would imagine a familiar route (e.g., walking through their house) and visually place each shopping item in a different location along the way. When they need to recall the list, they mentally 'walk' the route and retrieve the images.
该学生可以使用记忆术，例如位置法（记忆宫殿）。他们会想象一条熟悉的路线（如在自己家中走一圈），并将每件购物物品以图像形式放置在沿途的不同位置。需要回忆时，便在脑海中“重走”这条路线并提取图像。
Mnemonics work because they organise information into meaningful chunks and create strong visual and spatial associations. This uses the visuospatial sketchpad in working memory and taps into episodic memory cues, making recall more efficient than rote repetition.
记忆术之所以有效，是因为它们将信息组织成有意义的组块，并建立了强烈的视觉和空间联想。这动用了工作记忆中的视觉空间模板，并触发了情景记忆线索，使得回忆比死记硬背更高效。
9. Evaluating a Classic Study: Loftus & Palmer | 评价经典研究：洛夫特斯与帕尔默
Question: Outline one criticism of the Loftus and Palmer (1974) study on eyewitness testimony.
题目：概述对Loftus和Palmer（1974）目击者证词研究的一个批评。
One common criticism is that the study lacked ecological validity. Participants watched video clips of car accidents rather than witnessing a real collision. In a real-life situation, the emotional arousal, unexpectedness, and potential danger could affect how they remember the event, meaning the findings may not generalise to real eyewitnesses.
一个常见的批评是该研究缺乏生态效度。参与者观看的是交通事故的录像片段，而非真实经历撞击场景。在真实情境中，情绪唤醒、事出突然和潜在危险都会影响人们对事件的记忆方式，这意味着研究结果可能无法推广到真实的目击者身上。
Additionally, some critics note that the students used in the sample might not represent the general population, limiting how far we can generalise the conclusions. However, later studies using real-life events have partly supported the idea that leading questions distort memory.
此外，有批评者指出研究样本用的都是学生，可能无法代表一般人群，限制了结论的推广范围。不过，后来一些使用真实事件的研究部分支持了诱导性问题会歪曲记忆的观点。
10. Application: Normative Social Influence | 应用：规范性社会影响
Question: Using your knowledge of social influence, explain why a Year 8 student might start wearing a particular brand of trainers even though they do not really like them.
题目：运用你所学到的社会影响知识，解释为什么一个八年级学生明明不太喜欢某个品牌的运动鞋，却可能开始穿着它。
This behaviour can be explained by normative social influence, which is the desire to be liked and accepted by a group. The student conforms to the group norm (wearing the brand) to avoid rejection or ridicule, even if their personal preference differs. It is a form of compliance: the behaviour changes publicly but not necessarily privately.
这一行为可以用规范性社会影响来解释，即渴望被群体喜欢和接纳。即使个人偏好不同，该学生也服从了群体规范（穿着该品牌）以避免被排斥或嘲笑。这是一种顺从：行为公开改变了，但内心不一定认同。
In contrast, informational social influence would apply if the student genuinely believed the trainers were better because others said so. Year 8 students are especially sensitive to peer norms, which makes normative influence powerful in shaping everyday choices like fashion, slang, or hobbies.
相比之下，如果学生是因为别人都说这种运动鞋更好而真心相信，那就是信息性社会影响。八年级学生对同伴规范特别敏感，这使得规范性影响在塑造日常选择方面格外强大，比如流行服饰、俚语或爱好。
11. Short Answer: Extraneous Variables | 简答题：额外变量
Question: What is meant by an extraneous variable? Give an example from a study on revision methods and test performance.
题目：什么是额外变量？请从一个关于复习方法和考试表现的研究中举出一个例子。
An extraneous variable is any variable other than the IV that could affect the DV if not controlled. In a study comparing silent revision with group discussion, an extraneous variable might be the amount of sleep participants had the night before. If one group slept significantly better, their test scores might improve regardless of revision method.
额外变量是指除了自变量之外，如果未被控制就可能影响因变量的任何变量。在一项对比独自安静复习和小组讨论复习的研究中，一个额外变量可能是参与者前一晚的睡眠时长。如果某一组普遍睡得更好，无论复习方法如何，他们的测试成绩都可能更高。
Researchers try to minimise extraneous variables through random allocation of participants to conditions. This way, individual differences like intelligence or motivation are spread evenly and should not systematically bias the results.
研究者试图通过将参与者随机分配到不同实验条件来减小额外变量的影响。这样，智力或动机等个体差异就会被均匀分散，不会系统性地干扰实验结果。
12. Scenario: Conformity in the Classroom | 情景题：课堂中的从众行为
Question: A teacher notices that many students raise their hands to answer a question only after seeing the most popular student raise their hand. Use psychological terms to explain this observation.
题目：一位老师注意到很多学生只有在看到班上最受欢迎的学生举手后才会跟着举手回答问题。请使用心理学术语解释这一现象。
This is an example of conformity, specifically normative social influence. The students look to the popular student as a referent for acceptable behaviour. By imitating them, they hope to gain social approval and maintain a sense of belonging within the classroom group.
这是一个从众行为的例子，尤其是规范性社会影响。学生们把那位受欢迎的同学当作可接受行为的参照对象。通过模仿他/她，他们希望获得社会认同，并在班级群体中保持归属感。
It could also involve informational social influence if the students genuinely think the popular student is more likely to know the correct answer and they are uncertain. Over time, such conformity can become an unwritten classroom norm, influencing not just who speaks but also attitudes towards learning.
如果学生们内心真的认为那位受欢迎的同学更可能知道正确答案，且他们自己不确定，那就还涉及信息性社会影响。久而久之，这种从众可能变成一条不成文的课堂规范，不仅影响发言对象，还会影响学习态度。
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