📚 Year 12 SQA Psychology: Unit Test Mock Paper Analysis | 单元测试模拟卷解析
Mock papers are an essential revision tool for Year 12 SQA Psychology students. This analysis walks you through a typical unit test, covering research methods, social psychology, cognitive psychology, biopsychology and data handling. Each question is unpacked with model answers and examiner-style commentary, highlighting exactly what earns marks and why.
模拟试卷是 Year 12 SQA 心理学学生重要的复习工具。本文带你逐题解析一份典型的单元测试模拟卷，内容涵盖研究方法、社会心理学、认知心理学、生物心理学以及数据处理。每道题都配有标准答案和阅卷人风格的评注，明确告诉你得分点在哪里、为什么得分。
1. Multiple-Choice: Research Methods & Hypotheses | 选择题：研究方法与假设
Item: A researcher investigates whether taking breaks affects exam performance. She writes: 'There will be a difference in test scores between students who take short breaks and those who study continuously.' This is an example of a non-directional (two-tailed) hypothesis, because a difference is predicted but the direction is not specified. The null hypothesis would state that there is no difference. Directional hypotheses specify that one group will score higher, e.g. 'students who take breaks will score higher'. SQA examiners expect you to recognise that 'difference' without 'higher/lower' signals a non-directional prediction.
题目：一位研究者调查休息是否影响考试成绩。她写道：“休息组与持续学习组之间的测试分数会有差异。”这是非方向性（双尾）假设，因为它预测了差异但未指明方向。零假设则会陈述“没有差异”。方向性假设会明确指出一个组得分更高，如“休息组学生得分会更高”。SQA 考官期望你能识别出，只说“差异”而没有“更高/更低”就意味着非方向性预测。
Item: In an experiment on noise and concentration, the independent variable (IV) is the level of background noise (loud vs. silent). The dependent variable (DV) is the number of correct answers on a mental arithmetic test. A common mistake is confusing the IV with the DV. Remember: the IV is what the researcher manipulates, and the DV is what is measured.
题目：在一项关于噪音与注意力的实验中，自变量（IV）是背景噪音水平（嘈杂 vs 安静）。因变量（DV）是心算测试的正确答题数。常见的错误是混淆 IV 与 DV。请记住：IV 是研究者操纵的变量，DV 是被测量的变量。
Item: Operationalising 'aggression' in a playground observation. A poor operationalisation would be 'aggressive acts'; a strong one would be 'the number of times a child hits, pushes or kicks another child during a 20-minute observation'. The definition must be clear, measurable and replicable. Marks are lost for vague definitions that another researcher could not repeat.
题目：在操场观察中操作化“攻击行为”。差的操作定义是“攻击性行为”；好的操作定义是“在 20 分钟观察期间，一名儿童击打、推搡或踢另一儿童的次数”。定义必须清晰、可测量且可重复。模棱两可、无法被另一位研究者重复的定义会丢分。
2. Multiple-Choice: Social Psychology – Conformity & Obedience | 选择题：社会心理学 – 从众与服从
Item: In Asch's (1951) line-judgement study, conformity peaked when the majority group size reached three confederates. Adding more than three confederates did not significantly increase conformity. Many students mistakenly believe conformity keeps rising with group size; the key finding is that a minority of three is sufficient to create strong normative pressure.
题目：在 Asch（1951）的线条判断研究中，当多数派人数达到 3 名同谋者时从众率达到最高。超过 3 人后从众率不再显著增加。许多学生误以为从众率随群体规模不断上升；核心发现是 3 人少数派就足以产生强大的规范压力。
Item: Milgram's obedience experiments showed that 65% of participants administered the maximum 450-volt shock when the experimenter was physically present and issued direct orders. Obedience dropped sharply when orders were given by telephone or when the victim was in the same room. SQA questions often ask which situational factor had the greatest effect; proximity of the victim and the authority figure's proximity are the strongest.
题目：Milgram 的服从实验表明，当主试在场并直接下达指令时，65% 的参与者施加了最高 450 伏电击。当指令通过电话下达或受害者在同一房间时，服从率急剧下降。SQA 考题常问哪个情境因素影响最大；受害者的接近程度和权威人物的接近程度效应最强。
Item: A high school student refuses to write graffiti on a wall, even when friends urge him to. According to Social Impact Theory, the strength of the source (friends) is outweighed by his personal values, which act as a strong source of resistance. This is an example of minority influence maintaining independence.
题目：一个高中生拒绝在墙上涂鸦，即使朋友怂恿他。根据社会影响理论，来源（朋友）的强度被其个人价值观——一种强烈的抗拒来源——所压倒。这是少数派影响维持独立性的一个例子。
3. Multiple-Choice: Cognitive Psychology – Memory Models | 选择题：认知心理学 – 记忆模型
Item: According to the Multi-Store Model (Atkinson & Shiffrin, 1968), information passes from sensory memory to short-term memory (STM) only if attention is paid to it. Without attention, sensory information decays within 1–2 seconds. SQA exam questions often test this rehearsal loop; classic distractors claim that all sensory input enters STM automatically.
题目：根据多存储模型（Atkinson & Shiffrin, 1968），信息只有在被注意时才会从感觉记忆进入短时记忆（STM）。没有注意，感觉信息在 1–2 秒内就会消退。SQA 考题常测试这一复述环路；经典的干扰项会声称所有感觉输入都会自动进入 STM。
Item: In Baddeley and Hitch's Working Memory Model, the phonological loop is responsible for the temporary storage of verbal information. Its capacity is limited to about 2 seconds' worth of speech. The central executive allocates attention to the two slave systems, while the visuospatial sketchpad handles visual and spatial data. A question might ask which component is active when repeating a phone number silently; that is the articulatory control process of the phonological loop.
题目：在 Baddeley 和 Hitch 的工作记忆模型中，语音回路负责言语信息的暂时存储，其容量大约为 2 秒钟的言语量。中央执行器将注意资源分配给两个子系统，而视空间画板处理视觉和空间信息。考题可能会问，默念电话号码时哪个成分在工作；那是语音回路中的发音控制过程。
4. Multiple-Choice: Biopsychology – Biological Bases of Behaviour | 选择题：生物心理学 – 行为的生物基础
Item: The amygdala is a key brain structure implicated in reactive aggression. Fine and colleagues' (2007) study of juvenile delinquents found reduced amygdala volume in those with a history of aggression. Students should avoid over-simplifying by saying 'the amygdala causes aggression'; instead, argue that amygdala dysfunction increases the likelihood of aggressive responses, particularly in response to threat.
题目：杏仁核是参与反应性攻击的关键脑结构。Fine 等人（2007）对少年犯的研究发现，有攻击行为史的个体杏仁核体积减小。学生应避免过度简单化地说“杏仁核导致攻击行为”；而应论证杏仁核功能失调增加了攻击性反应的可能性，尤其是在受到威胁时。
Item: Testosterone does not directly cause aggression but lowers the threshold for aggressive behaviour by increasing the sensitivity of the amygdala to threatening stimuli. Correlational studies show a weak positive correlation between testosterone levels and self-reported aggression, but correlation does not equal causation. The dual-hormone hypothesis suggests cortisol moderates the effect of testosterone.
题目：睾酮并不直接导致攻击行为，而是通过提高杏仁核对威胁刺激的敏感性，降低了攻击行为的阈限。相关研究显示睾酮水平与自评攻击性之间存在弱的正相关，但相关不等于因果。双激素假说提出，皮质醇会调节睾酮的效应。
5. Short Answer: Balancing Informed Consent and Deception | 简答题：知情同意与欺骗之间的平衡
Ethical guidelines state that researchers must obtain informed consent. However, many social psychology experiments involve deception, which makes full prior consent impossible. In Milgram's study, participants consented to take part in a 'learning experiment' but were deceived about the true purpose. Good exam answers explain that partial consent is acceptable if participants are debriefed afterwards and offered the right to withdraw their data. Cost-benefit analysis must show that the scientific value outweighs the minimal risk. SQA markers reward the use of specific terminology: 'presumptive consent', 'debriefing', 'right to withdraw', and 'protection from harm'.
伦理准则要求研究者必须获得知情同意。然而，许多社会心理学实验涉及欺骗，这使得完全的事先同意无法实现。在 Milgram 的研究中，参与者同意参加一项“学习实验”，但被欺骗了真实目的。优秀的考试答案会解释，如果事后对被试进行事后说明，并允许其撤回数据，部分同意是可接受的。成本效益分析必须显示科学价值大于最低风险。SQA 评分者奖励使用专门术语，如“推定同意”“事后说明”“撤回权”和“免受伤害”。
6. Short Answer: Task Difficulty and Conformity in Asch | 简答题：任务难度与 Asch 实验中的从众
Asch found that conformity increased when the line-judgement task was made more difficult by making the standard line and comparison lines closer in length. Under high task difficulty, participants felt less confident in their own perception and relied more on the majority's judgement – a form of informational social influence. A full-mark answer would contrast this with normative influence (when the task is easy but participants conform to avoid rejection) and cite Asch's 1955 variations showing conformity rose from around 32% to nearly 50% under high difficulty.
Asch 发现，当通过使标准线段与比较线段长度更接近而增加任务难度时，从众率上升。在高难度任务下，参与者对自己的感知缺乏信心，更多地依赖多数人的判断——这是一种信息性社会影响。满分的答案会将此与规范影响对比（任务容易但参与者为避免拒绝而从众），并引用 Asch 1955 年的变式，表明高难度下从众率从约 32% 升至近 50%。
7. Short Answer: The Episodic Buffer in Working Memory | 简答题：工作记忆中的情节缓冲器
Baddeley added the episodic buffer in 2000 to account for findings that the original tripartite model could not explain, such as the binding of visual and verbal information into unified episodes and the interaction between working memory and long-term memory. The episodic buffer is a limited-capacity temporary store that integrates information from the phonological loop, visuospatial sketchpad and LTM under the control of the central executive. A strong answer uses an example: when reading a story, the episodic buffer binds the visual descriptions and the narrative into a coherent timeline.
Baddeley 于 2000 年增加了情节缓冲器，以解释原始三成分模型无法说明的发现，例如将视觉与言语信息绑定为统一的情节，以及工作记忆与长时记忆之间的交互。情节缓冲器是一个容量有限的暂时存储系统，在中央执行器的控制下整合来自语音回路、视空间画板和长时记忆的信息。高分的答案会举例：在阅读故事时，情节缓冲器将视觉描述与叙述绑定成一个连贯的时间线。
8. Data Handling: Descriptive Statistics and Graph Selection | 数据处理：描述统计与图表选择
Stimulus: A researcher recorded recall scores out of 20 for two groups. Group A (quiet): 15, 18, 12, 16, 14. Group B (noise): 11, 9, 13, 8, 10.
材料：一位研究者记录了两组各 20 分的回忆分数。A组（安静）：15, 18, 12, 16, 14。B组（噪音）：11, 9, 13, 8, 10。
Group B: Σx = 11 + 9 + 13 + 8 + 10 = 51, mean = 51 ÷ 5 = 10.2. The range for Group A is 18 – 12 = 6 (or using maximum minus minimum). The most appropriate graph is a bar chart, with 'Quiet' and 'Noise' ndependent variable is categorical. SQA expects you to label axes fully and include units.
计算 A 组的均值：Σx = 15 + 18 + 12 + 16 + 14 = 75，n = 5。均值 = 75 ÷ 5 = 15。B 组：Σx = 11 + 9 + 13 + 8 + 10 = 51，均值 = 51 ÷ 5 = 10.2。A 组的全距为 18 – 12 = 6（或用最大值减最小值）。最合适的图表是柱状图，x 轴为“安静”和“噪音”，y 轴为平均回忆分数，因为自变量是类别变量。SQA 要求坐标轴完整标注并包含单位。
9. Extended Response: Evaluate the Biological Explanation of Schizophrenia | 论述题：评价精神分裂症的生物解释
A top-band essay structures the answer into clear AO1 (description) and AO2 (evaluation) paragraphs. For AO1, describe the dopamine hypothesis: excess dopamine activity in the mesolimbic pathway causes positive symptoms such as hallucinations. Support this with evidence from amphetamine studies (drugs that increase dopamine produce schizophrenia-like symptoms) and the effectiveness of first-generation antipsychotics like chlorpromazine, which block D2 receptors. For AO2, evaluate reductionism — the biological explanation ignores psychological and social factors such as family stress and urban upbringing. Also discuss the causality problem: is dopamine dysregulation a cause or a consequence of schizophrenia? Strong essays mention PET scan evidence of increased dopamine synthesis capacity in prodromal patients and offer a balanced conclusion that biology plays a necessary but not sufficient role.
高分段论文会将答案组织成清晰的 AO1（描述）和 AO2（评价）段落。AO1 描述多巴胺假说：中脑边缘通路多巴胺活动过度导致幻觉等阳性症状。用安非他命研究（增加多巴胺的药物产生精神分裂症样症状）和第一代抗精神病药物如氯丙嗪（阻断 D2 受体）的有效性作为证据。AO2 评价还原论——生物解释忽视了心理和社会因素，如家庭压力和城市成长环境。还需讨论因果关系问题：多巴胺失调是精神分裂症的原因还是结果？优秀论文会提到前驱期患者的 PET 扫描证据，显示多巴胺合成能力增强，并得出平衡的结论：生物因素扮演必要但不充分的角色。
10. Extended Response: Evaluate the Evolutionary Explanation of Interpersonal Attraction | 论述题：评价人际吸引的进化解释
Describe key concepts: according to sexual selection theory, females are more selective (intersexual selection) because of higher parental investment, seeking males with resources and status; males compete intrasexually for access to fertile females. Buss's (1989) 37-culture study demonstrated consistent sex differences in mate preferences, supporting evolution. Evaluate by highlighting cultural variations: in societies with greater gender equality, sex differences in mate preferences are smaller, suggesting social learning plays a role. Furthermore, the explanation struggles to account for same-sex attraction and non-reproductive relationships. An excellent answer also notes
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