AQA Extension Tier Science: How the Allowed Grade 3-3 Works as a Safety Net | AQA 扩展层级科学：允许的 3-3 等级如何充当安全网

📚 AQA Extension Tier Science: How the Allowed Grade 3-3 Works as a Safety Net | AQA 扩展层级科学：允许的 3-3 等级如何充当安全网

Exam-day underperformance is a well-known risk in high-stakes GCSE Science. AQA’s Extension Tier (Higher Tier) for Combined Science: Trilogy includes an ‘allowed’ grade 3-3 so that a student who narrowly misses the 4-4 threshold can still receive a pass-level 3-3 instead of a U.

在高风险的 GCSE 科学考试中，考试当天发挥失常是众所周知的风险。AQA 联合科学：三部曲的扩展层级（高级层级）包含一个“允许的” 3-3 等级，因此如果学生仅以微弱差距未达到 4-4 门槛，仍可获得及格水平的 3-3，而不是 U。

1. The Reality of Exam-Day Underperformance | 考试当天发挥失常的现实

Exam-day underperformance is common across high-stakes assessments. In AQA GCSE Combined Science: Trilogy, a candidate may have prepared thoroughly but still score below their predicted Higher Tier result because of anxiety, illness, misreading questions or poor time management.

在高风险考试中，考试当天发挥失常很常见。在 AQA GCSE 联合科学：三部曲中，考生即使备考充分，也可能因焦虑、生病、误读题目或时间管理不当而低于其高级层级的预期成绩。

A grading system that offers no flexibility would turn a single bad day into a U, which can close doors to post-16 science study. Therefore AQA includes safety-net allowed grades on the Extension Tier.

如果评分系统没有弹性，一个糟糕的考试日就会变成 U，从而关闭学习 16 岁后科学课程的大门。因此，AQA 在扩展层级设置了安全网“允许

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