📚 KS3 OCR Psychology: Mock Unit Test Analysis | KS3 OCR 心理学：单元测试模拟卷解析
Welcome to this comprehensive walkthrough of a KS3 OCR Psychology mock unit test. By reviewing a simulated exam paper question by question, you will learn how to interpret command words, structure answers, and reinforce core concepts. Each section below breaks down a typical question, highlights the mark scheme, and provides model responses.
欢迎阅读这份详尽的KS3 OCR心理学单元模拟测试解析。通过逐题回顾一份模拟试卷，你将学会如何解读指令词、组织答案并巩固核心概念。下面的每个小节都解析一道典型题目，强调评分标准，并提供范例回答。
1. Defining Psychology | 心理学定义
Question 1: Define psychology and give one example. (2 marks)
问题1：定义心理学并提供一个例子。（2分）
The core definition: Psychology is the scientific study of the human mind and behaviour. A full-mark answer must include the term ‘scientific study’ and refer to both ‘mind’ (mental processes) and ‘behaviour’ (observable actions).
核心定义：心理学是对人类心理和行为的科学研究。满分答案必须包含“科学研究”一词，并同时提及“心理”（心理过程）和“行为”（可观察的动作）。
A strong example: For the example, you could mention studying memory, obedience, or child development. For instance, ‘a psychologist might investigate how stress affects exam performance.’ The example must be relevant and clearly linked to a mental process or behaviour.
较好的例子：例如，你可以提到研究记忆、服从或儿童发展。例如，“心理学家可能研究压力如何影响考试成绩。”例子必须相关，并明确关联到心理过程或行为。
Mark scheme: 1 mark for an accurate definition that captures both the scientific approach and the mind–behaviour connection; 1 mark for a specific, relevant example.
评分标准：准确的定义，同时体现科学方法和心理–行为的联系，得1分；具体、相关的例子，得1分。
Key takeaway: Always frame psychology as a scientific discipline that investigates mental processes and observable behaviour.
关键要点：始终将心理学表述为一门探索心理过程和可观察行为的科学学科。
2. Research Methods | 研究方法
Question 2: Which of the following is a research method used in psychology? A) Experimental method B) Gravity C) Bacteria D) The solar system
问题2：下列哪一项是心理学中使用的研究方法？A）实验法 B）重力 C）细菌 D）太阳系
Correct answer: A) Experimental method. Psychology uses a range of methods to gather data, including experiments, observations, questionnaires, and interviews. The experimental method is a systematic way to test cause-and-effect relationships.
正确答案：A）实验法。心理学运用多种方法收集数据，包括实验、观察、问卷和访谈。实验法是检验因果关系的一种系统方法。
Why the others are wrong: Gravity (B) is a concept in physics, bacteria (C) are studied in biology, and the solar system (D) is a topic in astronomy. None of these are techniques for psychological investigation.
其他选项为何错误：重力（B）是物理概念，细菌（C）是生物学研究对象，太阳系（D）属于天文学主题。它们都不是心理学的调查技术。
Tip: A research method is a tool for collecting and analysing information — it is not a subject matter. This distinction helps avoid confusion in multiple-choice questions.
提示：研究方法是收集和分析信息的工具——而不是学科内容。这一区别有助于在多选题中避免混淆。
3. Variables in Experiments | 实验中的变量
Question 3: Identify the independent variable (IV) and dependent variable (DV) in the study: ‘Does listening to music affect test scores?’ (2 marks)
问题3：识别以下研究中的自变量（IV）和因变量（DV）：“听音乐是否影响考试成绩？”（2分）
Independent variable (IV): This is the factor that the researcher deliberately changes or manipulates. Here, the IV is whether participants listen to music
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