📚 Year 7 WJEC Sociology: Experimental and Practical Assessment Essentials | 七年级WJEC社会学：实验/实践考核要点
Experiments are a powerful way to explore how people behave in different situations, and in Year 7 WJEC Sociology you will learn the basics of designing and evaluating simple sociological investigations. This article brings together all the key points you need to succeed in your experimental and practical assessments, from understanding variables to handling ethical questions.
实验是探索人们在不同情境下如何行为的一种有力方法，在七年级 WJEC 社会学课程中，你将学习设计和评估简单社会学调查的基础知识。本文汇集了你在实验和实践考核中取得成功所需的所有关键点，从理解变量到处理伦理问题。
1. What Is a Sociological Experiment? | 什么是社会学实验？
A sociological experiment is a research method in which the investigator deliberately changes one factor to observe the effect on another factor, while trying to keep all other conditions the same. Unlike natural science experiments that take place in a laboratory, sociological experiments often focus on human behaviour, attitudes and social interactions.
社会学实验是一种研究方法，研究者故意改变一个因素来观察它对另一个因素的影响，同时尽量保持所有其他条件相同。与在实验室进行的自然科学实验不同，社会学实验通常关注人类行为、态度和社会互动。
In Year 7, you will be asked to plan and carry out a small‑scale practical investigation. The aim is to help you think like a sociologist – asking questions, making predictions, collecting evidence and drawing conclusions.
在七年级，你将被要求规划并实施一个小规模的实践调查。目的是帮助你像社会学家一样思考——提出问题、做出预测、收集证据并得出结论。
2. The Scientific Method and Sociology | 科学方法与社会学
Even though sociology deals with people, it still follows the scientific method. This means your investigation should have clear stages: formulating a research question, making a hypothesis, designing the experiment, gathering data, analysing the results and reporting your findings.
尽管社会学涉及人，它仍然遵循科学方法。这意味着你的调查应有明确的阶段：提出研究问题、提出假设、设计实验、收集数据、分析结果并报告你的发现。
In your practical assessment, examiners will check whether you can explain why each stage is important. For example, a hypothesis helps you make a specific, testable prediction about what you think will happen.
在实践考核中，考官将检查你能否解释每个阶段的重要性。例如，假设有助于你对认为会发生的情况做出具体、可检验的预测。
3. Key Variables: Independent, Dependent and Controlled | 关键变量：自变量、因变量与控制变量
Every experiment involves variables. The independent variable (IV) is the factor you change or manipulate. The dependent variable (DV) is the factor you measure or observe. Controlled variables are all the other factors you must keep the same to make the test fair.
每个实验都涉及变量。自变量（IV）是你改变或操纵的因素。因变量（DV）是你测量或观察的因素。控制变量是你必须保持相同的所有其他因素，以确保测试公平。
For instance, if you are testing whether praise makes students work faster, the IV could be the type of praise given, the DV could be the time taken to complete a task, and controlled variables might include the difficulty of the task and the students’ ages.
例如，如果你正在测试表扬是否让学生作业更快，自变量可以是给予的表扬类型，因变量可以是完成任务所花费的时间，而控制变量可能包括任务难度和学生的年龄。
In your Year 7 assessment you must be able to identify the IV, DV and at least two controlled variables in your own plan and in example experiments.
在七年级考核中，你必须能够在自己的计划和示例实验中识别出 IV、DV 以及至少两个控制变量。
4. Experimental and Control Groups | 实验组与对照组
Many sociological experiments use two groups: an experimental group that receives the treatment or change, and a control group that does not. By comparing the two groups, you can be more confident that any difference in the dependent variable is caused by the independent variable.
许多社会学实验使用两个组：接受处理或改变的实验组，以及不接受处理的对照组。通过比较这两个组，你可以更有信心地认为因变量的任何差异是由自变量引起的。
Suppose you want to test whether background music affects concentration. The experimental group completes a puzzle while listening to music; the control group completes the same puzzle in silence. All other conditions, such as the type of puzzle and time given, stay the same.
假设你想测试背景音乐是否影响注意力。实验组在听音乐的同时完成拼图；对照组在安静中完成同样的拼图。所有其他条件，如拼图类型和给定时间，保持不变。
When writing your practical report, always describe how you allocated participants to groups and why this matters.
在撰写实践报告时，始终要描述你是如何将参与者分配到各组以及为什么这点很重要。
5. Laboratory Experiments: Strengths and Weaknesses | 实验室实验：优点与缺点
Laboratory experiments take place in a controlled environment, often a special room set up for the purpose. The main strength is high control over variables, which makes it easier to establish cause and effect. However, the artificial setting can make participants behave differently from how they would in real life – this is called the ‘artificiality’ problem.
实验室实验在受控环境中进行，通常是为实验目的设置的特殊房间。主要优点是高度控制变量，这使得更容易建立因果关系。然而，人工环境可能会使参与者的行为与在现实生活中的表现不同——这被称为“人为性”问题。
Another limitation is the Hawthorne effect: people may change their behaviour simply because they know they are being studied. Sociologists are always alert to such effects when interpreting results.
另一个局限性是霍桑效应：人们可能仅仅因为知道自己正在被研究而改变行为。社会学家在解释结果时始终对这种效应保持警惕。
For your Year 7 practical, you may not have a real laboratory, but you should still aim to control your mini‑experiment as tightly as possible.
对于你的七年级实践，你可能没有一个真正的实验室，但你仍然应该尽可能严格地控制你的小实验。
6. Field Experiments: Taking Research into the Real World | 田野实验：将研究带入现实世界
A field experiment is carried out in the participants’ natural environment, such as a classroom, playground or shopping centre. The advantage is that people are more likely to act naturally, so the findings are usually more true to life. However, it is much harder to control all the extraneous variables that might interfere.
田野实验是在参与者的自然环境中进行的，例如教室、操场或购物中心。其优势在于人们更有可能自然地行动，因此研究结果通常更贴近生活。然而，要控制所有可能干扰的额外变量要困难得多。
Field experiments also raise ethical questions about informed consent – can you always tell people they are part of an experiment without changing their behaviour? This is a key discussion point in sociological research.
田野实验还引发了关于知情同意的伦理问题——你能在不改变人们行为的情况下总是告诉他们自己是实验的一部分吗？这是社会学研究中的一个关键讨论点。
In class, you might design a simple field experiment, such as observing whether students hold doors open for others under different conditions. Think about how you would record observations without disrupting the natural setting.
在课堂上，你可能会设计一个简单的田野实验，例如观察学生在不同条件下是否为他人扶门。思考如何在不干扰自然环境的情况下记录观察结果。
7. Ethical Considerations for Young Sociologists | 年轻社会学家的伦理考量
Ethics are the moral principles that guide research. The British Sociological Association sets out guidelines which WJEC expects you to understand in a basic way. The main rules are: obtain consent, protect participants from harm, respect privacy and avoid deception unless absolutely necessary.
伦理是指导研究的道德原则。英国社会学协会制定了准则，WJEC 期望你能基本理解。主要规则是：获得同意、保护参与者免受伤害、尊重隐私并避免欺骗，除非绝对必要。
Even in a Year 7 mini‑project, you must never embarrass or upset anyone. Anonymity must be maintained – do not use real names in your write‑up. If you are unsure about any ethical matter, talk to your teacher before starting.
即使在七年级的小项目中，你也绝不能让人尴尬或不安。必须保持匿名——在书面报告中不要使用真实姓名。如果你对任何伦理问题不确定，在开始之前与老师讨论。
Examiners often ask how you could have made your investigation more ethical, so make sure you can suggest improvements such as debriefing participants afterwards.
考官经常问如何能让你的调查更符合伦理，因此确保你能提出改进建议，例如事后向参与者进行情况通报。
8. Planning Your Practical Investigation | 规划你的实践调查
The first stage of your practical assessment involves writing a simple plan. You need to state your research question clearly, identify the key variables, describe your procedure step by step and explain how you will collect data. A well‑structured plan is like a recipe – someone else should be able to follow it exactly.
实践考核的第一阶段涉及撰写一份简单的计划。你需要清楚地陈述你的研究问题，识别关键变量，一步步描述你的步骤，并解释你将如何收集数据。一个结构良好的计划就像一份食谱——别人应该能够精确地按照它操作。
Remember to include details such as the materials you need, the number of participants, how you will divide them into groups and how long the experiment will last. The more precise you are, the higher your marks for methodology.
记得包含细节，如你需要的材料、参与者数量、如何将他们分组以及实验将持续多长时间。你越精确，方法论部分的分数就越高。
Check your plan against the WJEC mark scheme: does it show understanding of a fair test? Can you identify possible sources of error in advance?
对照 WJEC 评分标准检查你的计划：它是否显示了对公平测试的理解？你能否提前识别可能的误差来源？
9. Collecting Data: Quantitative and Qualitative | 收集数据：定量与定性
Sociological experiments can produce two types of data. Quantitative data is numerical, such as scores on a test, time in seconds or number of times a behaviour occurs. Qualitative data is descriptive, for example notes on how participants responded or what they said.
社会学实验可以产生两种类型的数据。定量数据是数字型的，例如测试分数、以秒为单位的时间或某种行为发生的次数。定性数据是描述性的，例如关于参与者如何回应或他们说了什么的笔记。
In your assessment, you may be asked to collect either type, or both. Design your recording sheets in advance so you can fill them in quickly and consistently. For qualitative data, prepare categories (e.g. friendly gesture, neutral, unfriendly) to make your analysis easier.
在你的考核中，你可能被要求收集其中一种或两种数据。提前设计好你的记录表，这样你就可以快速且一致地填写。对于定性数据，准备好分类（例如友好姿态、中性、不友好），使你的分析更容易。
Always date your observations and note any unusual events during the experiment – these details show good scientific practice.
始终为你的观察记录日期并记下实验期间的任何不寻常事件——这些细节展示了良好的科学实践。
10. Presenting Your Results Clearly | 清晰地展示你的结果
After collecting data, you need to present it in a way that is easy to understand. Bar charts, line graphs and simple tables are all useful tools. In WJEC assessments, you might be asked to complete a results table or to draw a graph from given data.
收集数据后，你需要以易于理解的方式呈现它。条形图、折线图和简单表格都是有用的工具。在 WJEC 考核中，你可能被要求完成一个结果表或根据给定数据绘制图形。
Follow these rules: label the axes correctly (with the independent variable on the horizontal axis and the dependent variable on the vertical axis), use a sensible scale and give your graph a clear title. For example: ‘Bar chart showing the effect of praise type on task completion time’.
遵循这些规则：正确标记坐标轴（自变量在横轴上，因变量在纵轴上），使用合理的刻度，并给你的图表一个清晰的标题。例如：“显示表扬类型对任务完成时间影响的条形图”。
Mean completion time = (sum of all times) ÷ (number of participants)
平均完成时间 =（所有时间的总和）÷（参与者人数）
Calculating a simple average like the mean can help you compare groups fairly. Make sure you show your working clearly in your report.
计算一个简单的平均数（如算术平均值）可以帮助你公平地比较各组。确保在你的报告中清晰地展示你的计算过程。
11. Analysing Data and Drawing Conclusions | 分析数据并得出结论
Analysis is where you explain what your results mean. Look for patterns: did the experimental group perform better, worse or the same as the control group? Can you relate the pattern back to your hypothesis? Always refer to the data you collected – for example, ‘the mean time for Group A was 45 seconds, compared to 62 seconds for Group B’.
分析是你解释结果含义的环节。寻找模式：实验组的表现是比对照组更好、更差还是相同？你能将模式与你的假设联系起来吗？始终引用你收集的数据——例如，“A 组的平均时间为 45 秒，而 B 组为 62 秒”。
Even if the results do not support your hypothesis, that is still a valid finding. Sociologists learn just as much from unexpected outcomes. Do not change your data to fit what you wanted to find – academic honesty is crucial.
即使结果不支持你的假设，这仍然是一个有效的发现。社会学家同样从意想不到的结果中学到很多。不要更改数据来符合你想发现的——学术诚实至关重要。
When writing your conclusion, state whether your hypothesis was supported and suggest one way to improve the experiment next time.
在撰写结论时，说明你的假设是否得到支持，并建议下次改进实验的一种方法。
12. Common Mistakes and How to Avoid Them | 常见错误及如何避免
One frequent error is failing to identify the independent and dependent variables correctly. Another is having too many uncontrolled variables, which makes it impossible to know what really caused the outcome. Always list your controlled variables in your plan.
一个常见错误是未能正确识别自变量和因变量。另一个是有太多未控制的变量，这使得不可能知道究竟是什么导致了结果。始终在你的计划中列出你的控制变量。
Students sometimes forget ethical guidelines, such as not telling participants the purpose of the study or failing to get permission. Make ethics a heading in your preparation notes.
学生有时会忘记伦理指南，例如未告知参与者研究目的或未能获得许可。将伦理作为你准备笔记中的一个标题。
Finally, many Year 7 reports lack detail in the conclusion. Simply saying ‘the experiment worked’ is not enough. You must link your findings to your original prediction and use specific data as evidence.
最后，许多七年级的报告在结论中缺乏细节。仅仅说“实验成功了”是不够的。你必须将你的发现与你最初的预测联系起来，并使用具体数据作为证据。
By practising these skills step by step, you will build confidence for your practical assessment and develop a genuine sociological imagination.
通过一步步练习这些技能，你将为你的实践考核建立信心，并培养真正的社会学想象力。
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