📚 Case Studies in Action: Practical Exercises for CCEA Year 11 Psychology | 案例分析实战演练：CCEA 11年级心理学实战
Case studies represent a core assessment component in CCEA GCSE Psychology, requiring students to move beyond memorised facts and apply their knowledge to novel, real-world scenarios. This guide is designed to sharpen your analytical skills through targeted practice, covering the essential techniques of identifying variables, evaluating ethical issues, and constructing evidence-based arguments. By working through the exercises and model answers below, you will gain the confidence to tackle any case study question that appears on your Year 11 exam paper.
案例研究是CCEA GCSE心理学评估的核心组成部分，要求学生超越死记硬背，将知识应用到新颖的真实情境中。本指南旨在通过有针对性的练习来磨练您的分析技能，涵盖识别变量、评估伦理问题以及构建基于证据的论据等基本技巧。通过完成下面的练习和示范答案，您将获得信心，应对11年级试卷中出现的任何案例分析题。
1. Understanding the Case Study Method | 理解案例研究法
A case study is an in-depth investigation of a single individual, group, or event. Unlike large-scale experiments, it provides rich, qualitative data that helps explain complex behaviours. In CCEA Psychology, you might encounter case studies of amnesia patients like HM, or observations of children's play. Your task is to analyse the methodology, not just the findings.
案例研究是对单个个体、群体或事件的深入调查。与大规模实验不同，它提供了丰富的定性数据，有助于解释复杂行为。在CCEA心理学中，您可能会遇到像HM这样的失忆症患者的案例研究，或对儿童游戏的观察。您的任务是分析方法论，而不仅仅是结果。
When approaching a case study question, always ask yourself: What research method was used? Was it an interview, observation, or questionnaire? How was consent obtained? These questions form the backbone of your analytical response.
在处理案例分析题时，始终问自己：使用了什么研究方法？是访谈、观察还是问卷？如何获得同意的？这些问题构成了您分析性回答的支柱。
2. Identifying Variables and Hypotheses | 识别变量与假设
Every psychological investigation revolves around variables. The independent variable (IV) is the factor that is manipulated or changed, while the dependent variable (DV) is what is measured. In a case study about the impact of sleep deprivation on reaction time, the IV might be the amount of sleep (4 hours vs. 8 hours), and the DV is the reaction time in milliseconds. Extraneous variables, such as caffeine intake, must be controlled.
每项心理学研究都围绕变量展开。自变量(IV)是被操纵或改变的因素，而因变量(DV)是被测量的东西。在一个关于睡眠剥夺对反应时间影响的案例研究中，自变量可能是睡眠时长（4小时 vs. 8小时），因变量是以毫秒计的反应时间。额外变量，如咖啡因摄入，必须加以控制。
A well-written hypothesis is clear and testable. For example: 'Participants who sleep for 4 hours will have significantly slower reaction times than those who sleep for 8 hours.' Avoid vague statements and always use operationalised definitions.
一个好的假设是清晰且可检验的。例如：“睡眠4小时的参与者反应时间将显著慢于睡眠8小时的参与者。”避免模糊的陈述，始终使用操作化定义。
3. Experimental Design and Control Groups | 实验设计与对照组
The three main experimental designs you need to know are independent groups, repeated measures, and matched pairs. Independent groups use different participants in each condition, which avoids order effects but may introduce participant variables. Repeated measures design uses the same participants in all conditions, reducing participant variables but risking order effects. Matched pairs design matches participants on key characteristics, but it is time-consuming.
您需要了解的三种主要实验设计是独立组、重复测量和配对组。独立组在每个条件下使用不同的参与者，避免了顺序效应但可能引入参与者变量。重复测量设计在所有条件下使用相同的参与者，减少了参与者变量但可能产生顺序效应。配对组设计在关键特征上匹配参与者，但很耗时。
A control group is essential for comparison. In a drug trial, the control group receives a placebo. This allows the researcher to determine whether the IV truly has an effect. Always check whether the case study included an appropriate control condition.
对照组对于比较至关重要。在药物试验中，对照组接受安慰剂。这使研究者能够确定自变量是否真正有效。始终检查案例研究是否包含适当的控制条件。
4. Data Collection Methods | 数据收集方法
Case studies often employ multiple data collection tools. Questionnaires can gather large amounts of data quickly but may suffer from social desirability bias. Interviews provide depth but can be influenced by interviewer effects. Observations, whether covert or overt, offer naturalistic insights but may lack reliability. Always evaluate the method's strengths and weaknesses in the context of the case.
案例研究通常使用多种数据收集工具。问卷可以快速收集大量数据，但可能受到社会期望偏差的影响。访谈提供了深度，但可能受到访谈者效应的影响。观察，无论是隐蔽的还是公开的，都能提供自然的洞见，但可能缺乏信度。始终在案例背景下评估该方法的优缺点。
For example, if a researcher uses a self-report questionnaire to measure happiness, you might note that responses
Published by TutorHao | Year 11 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